Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
N262558690
General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
PIC6629F
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIP4902W
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT6543
This preliminary information communicates a diagnostic tip for the tailgate release system and tailgate ajar message.
PIT6545
This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly. Do not replace parts. Engineering is investigating the root cause; customers may continue to drive the vehicle. This PI will be updated or replaced by a TSB once a resolution is determined.
N262558690-01
Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
PIP6127A
This document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary. The torque converter part number will be placed on order restriction, and the technician will be asked to follow 25-NA-148 before requesting a part through PQC.
PIC6551C
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIT6031B
This Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a dead battery.
PIP6127
This document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary. The torque converter part number will be placed on order restriction, and the technician will be asked to follow 25-NA-148 before requesting a part through PQC.
PIT6446A
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
PIT5680B
This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
PIT5099J
PI to help diagnose A/C concern
PIT5509N
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
PIT6473F
This PI was created to help avoid unnecessary front camera module replacements
PIT5767B
This PI provides a diagnostic tip on poor a/c performance due to a condenser issue and instructions to replace the ac condenser.
PIT6532
The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary part replacement
PIT5910C
This Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep. Advise dealership it is working as designed.
PIT6476C
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.
PIT5966F
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
PIT6522
This PI advises dealers that if the K160 Brake System Control Module sets DTC P0606 along with P0562 and/or P25A2, additional diagnostic aids should be followed before replacing parts. The PI provides guidance to inspect for low voltage conditions, wiring, terminal concerns, and module communication issues that may cause false or intermittent EBCM DTCs.
PIT6523
This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessary
PIT6132E
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
PIT6054D
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.
PIT6209K
This Preliminary information communicates recovery procedure after return to dealer message.
PIT6519
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
PIP6115
The document advise technicians after an engine repair involving removal of the camshaft actuators, the vehicle may set p1101 P0172 and or stalls when taken off idle. The technician is instructed to verify the intake and exhaust camshaft actuators are installed onto the correct camshafts.
PIC6602X
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6209J
This Preliminary information communicates recovery procedure after return to dealer message.
PIT5509M
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
PIT6406K
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT6476B
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.
N25-250552
• Improvements to OnStar functionality.
PIC6423A
Pi created to provide GM dealers with information on gathering information for projection issue
PIC6551B
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIC6629E
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIC6630B
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
PIT5687B
This PI provide diagnostic tip for an SES MIL with DTC P16A7 and/or P16AF. Dealers are to inspect for a loose connection.
PIT6193B
PI created to provide dealer technicians with procedures for updating Google Maps.
PIC6602W
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6602V
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6406H
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIC6602U
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6629D
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIT5689N
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIT3271Q
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIT6504
This preliminary information communicates a normal characteristic where Some customers may comment that they have a " Forward Collision Unavailable" message that intermittently comes on during startup and goes out a few seconds later. No Repairs should be made
661.10
• Fixes to help prevent false Service Driver Assist System messages. • Improvements to connectivity for OnStar.
PIT6476A
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.
PIT6473E
This PI was created to help avoid unnecessary front camera module replacements
PIT6473D
This PI was created to help avoid unnecessary front camera module replacements
PIT6473C
This PI was created to help avoid unnecessary front camera module replacements
PIP4902V
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP6104
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIT6406F
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT6473B
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIC6602T
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6629C
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIP5934A
This Preliminary information communicates the potential for DTC u060F u1345 to fail and suggest clearing dtc to confirm they reset before proceeding with diagnosis
PIT6209H
This PI communicates information informing dealers that Engineering is aware of the clunk noise and is currently investigating a root cause.
PIT6425D
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
PIC6602S
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6474A
This PI addresses an issue where the customer may experience a loss of brake assist, accompanied by numerous MILs and warnings, after the engine has started, caused by a drop in battery voltage to the Brake System Control module. Dealers are to clean and tighten battery cable connections, test the vehicle battery and charging system, and update the Brake System control module with updated software.
PIT5697E
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5744F
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
PIT6489
This preliminary information communicates an issue with the engine running after the ignition is turned off and diagnostic help to isolate a possible Fuel Pump Control Module issue.
PIT6415A
PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.
PIP5865L
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIC6602R
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6483
This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.
PIP5921B
This Preliminary information communicates the possibility of DTC p0011 p0016 and potential for a rattle or ticking noise to occur from the Intake Cam Actuator, or cover plate screws backing out and making contact with Cam carrier
PIP5865K
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIT6473A
This PI was created to help avoid unnecessary front camera module replacements
N252515590
Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap.
PIT5985K
This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, failure over the air update, etc.
PIT6476
This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.
PIT5907E
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these flase DTC's
PIT6473
This PI was created to help avoid unnecessary front camera module replacements
PIT6474
This PI addresses an issue where the customer may experience a loss of brake assist, accompanied by numerous MILs and warnings, after the engine has restarted following a stop/start event, caused by a drop in battery voltage tot he Brake System Control module. Dealers are to test the vehicle battery and update the Brake System control module with updated software.
N252494003-02
Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the engine. The repairs will be made at no charge to the customer.
PIT6406E
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT6400A
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
PIT6425C
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIT6344A
This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
PIP6098
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
PIP5700G
This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
PIT6369B
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PIP4902U
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT5828E
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
PIT6276B
This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
PIT5689M
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIT5984A
This Preliminary information communicates a diagnostic tip for an issue where the starter stays engaged after the engine starts. Dealers are to suspect/monitor the crankshaft position sensor.
PIP6092A
This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
PIC6629B
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIC6602Q
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6630A
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
PIC6630
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
PIT6132D
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
PIT5214G
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
PIT6406D
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIP6092
This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
PIC6602P
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6602N
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6629
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIP5865J
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
25-NA-339
Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on vehicle engines within the identified suspect VIN population. If the engine passes the PICO test, the engine oil will be changed from 0W20 to Mobil 1 Supercar 0W40 dexosR. From that point forward, the engine must use 0W40 dexosR oil products for all future oil change services.
PIT6446
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
PIT6406C
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIP5700F
This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
PIC6602M
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6132C
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
PIT6234A
This Preliminary information communicates an issue with an aftermarket device wired into the vehicle and cause the vehicle to turn off when shifted into gear. This PI provides a diagnostic tip to inform dealership to inspect for this aftermarket device.
PIC6591C
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
PIC6602L
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6425B
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIT6425A
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIC6551A
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
N242454441 -03
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
PIC6602K
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIP6088
This PI Addresses a possible solenoid wiring fault and how to inspect the build date to identify
PIT6406B
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT6440
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
PIP6068C
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
N252508341
Certain vehicles listed above, may have a condition that could cause the engine coolant control valve to fail an onboard vehicle diagnostic test. If this condition were to occur, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Additionally in some cases, the engine cooling fans may run after the engine is switched off. Dealers are to replace the engine coolant control valve as necessary. The repairs will be made at no charge to the customer.
13598
New Vehicle Monitoring Programs Section in IVH
PIT5479H
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.
PIT6428
PI created to provide direction to dealers unable to program an IOR radio on a 2022 LD truck
PIP5865H
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIP6068B
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
PIT6053C
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
22-NA-080
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
23-NA-201
This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
24-NA-241
This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted.
N252510321-02
Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
25-NA-080
This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set.
PIP5845B
This P/I is to advise to inspect the stacked plate heat exchanger as possible root cause for any trans concern.
N252510321-01
Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
PIP5865G
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIP6068A
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
PIC6602H
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIP5865F
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIT5895E
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
N252510321
Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
PIP4902T
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT6059C
This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
PIC5650M
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
PIT6396A
This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module. Engineering is working on a fix, but in the meantime, dealers are to install a diode.
PIT5161L
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
PIC6602G
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIP5865E
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIC6602F
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIP5601B
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIT5910B
This Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep. Advise dealership it is working as designed.
PIP5774B
This Preliminary information communicates A vehicle may have a concern of any of the following DTC's set P3189 P318A P318B P318C P318D P318E P318F P3190. Informs dealer to perform a crankshaft variation relearn, Also notes that SI may not isolate.
PIT6031A
This Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a dead battery.
PIT6406A
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIC6602E
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6406
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
N252494003-01
Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the engine. The repairs will be made at no charge to the customer.
PIT5832V
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT6405
This PI is to inform dealers of a possible issue with an LVDS cable causing the radio to come on unwanted
N252494770-01
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.
PIC6602D
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6401
This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to off.
PIC6086J
This PI communicates a procedure to clean oil leaking from the rain sensor.
N252494770
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.
PIT6400
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
PIP6068
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
PIT6396
This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module. Engineering is working on a fix, but in the meantime, dealers are to install a diode.
PIT6180A
This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
PIP4902S
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
25-NA-156
This service bulletin provides information on Tire Sidewall Irregularities.
00-06-01-026R
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
07-08-42-006U
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
PIT5074R
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIC6602C
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
N252494003
Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the engine. The repairs will be made at no charge to the customer.
PIT5966E
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
22-NA-161
This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
PIT6076C
This Preliminary information communicates that you may notice a black screen on their radio display. This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
22-NA-182
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
23-NA-170
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
23-NA-153
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
N232427510-02
Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
PIC6602B
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6192C
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
PIP5865D
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
25-NA-114
This informational bulletin provides information on Anti-Chip Coating Appearance.
25-NA-118
This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
PIT6367A
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
15-NA-010
This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
PIT6369A
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PIC6602A
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
N232427510-01
Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
25-NA-037
This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire or rough run and what to replace if found the cause.
PIC6602
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
25-NA-101
This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
N232427510
Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
PIT6056A
This Preliminary information communicates how to erase a DTC that is falsely setting due to a software concern with the Image Processing Module
23-NA-097
This service bulletin provides a procedure to correct a customer concern of Upper Glove Box Door does not Open when the Button is Depressed or Takes Multiple Presses to Open.
25-NA-100
This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
PIT6369
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PI0281L
This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
PIP5863C
This Preliminary information communicates to dealers’ information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.
PIP6008E
This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
PIT6151B
This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
21-NA-166
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
PIT5551R
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT6367
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
24-NA-229
This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
07-00-89-037W
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIT5986D
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
PIT5851F
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
25-NA-087
This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
13-08-116-001K
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
PIP6052
This Preliminary information communicates to use a vacuum to remove any packing material found on top of the service valve body assembly.
22-NA-096
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
25-NA-076
This informational bulletin advises the technician that the gasket for the timing chain tensioner is not required.
PIT6053B
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
PIT6209G
This Preliminary information communicates recovery procedure after return to dealer message.
07-08-42-006T
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
25-NA-052
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
PIP5943A
This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions
24-NA-098
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
25-NA-065
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
24-NA-247
This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an aluminum pan should be used with a new LCE.
08-03-10-006I
This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
23-NA-073
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
15-06-03-001F
This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
N222383021
General Motors has decided to conduct an Emission Recall involving certain vehicles with a 3.0L diesel engine and non-ETRS transmission. The Engine Control Module (ECM) may not properly respond to certain service tool requests for the datafile CALID (part number) and CVN (checksum). This condition may cause a vehicle to fail an emissions Inspection/Maintenance (I/M) test. Dealers are to reprogram the Engine Control Module.
19-NA-255
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
17-NA-073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
24-NA-046
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
PIC6591A
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
PIP5966A
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
PIT5689L
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
05-03-07-009L
This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
11-00-89-005Y
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
PIT6344
This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
PIT5734H
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
PIT6209F
This Preliminary information communicates recovery procedure after return to dealer message.
05-08-51-001L
This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
19-NA-129
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
PIP5358D
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
PIT5895D
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
22-NA-068
This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
16-NA-109
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
PIT5551Q
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT5744E
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
PIT6276A
This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
25-NA-032
This bulletin provides information to the tech on how to diagnosis the EGR system from possible issue that may cause the DTCs to set and cause the customers concern of a MIL Illuminated.
N24-245063
Certain 2022 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. This update will complete the remedy for GM Recall No. N242450630 and no additional steps are needed after a successful update. You will also receive a letter providing additional details regarding this issue. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
23-NA-102
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
PIT5986C
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
PIT6120B
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim level for installation instructions for the 9L7 Upfitter Switches.
PIT6328A
This Preliminary information communicates to dealership technicians to contact Techline support to data wipe the radio to clear the PIN.
07-00-89-037V
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
24-NA-264
This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
16-NA-019
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
PIT6132B
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
PIT5479G
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
PIT6059B
This Preliminary information communicates an issue with super cruise unavailable due to the drivers monitoring camera and dealers to replace the camera.
PIT5990C
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.
19-NA-257
This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.
20-NA-175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.
10-08-110-001L
This service bulletin provides information on proper use of floor mats.
21-NA-043
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
22-NA-074
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
22-NA-244
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
PIT6328
This Preliminary information communicates to dealership technicians to contact Techline support to data wipe the radio to clear the PIN.
23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
24-NA-261
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 – Multiple Updates for IOK.
N242450630
Service Update. Certain vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
PIT5689K
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
21-NA-135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
N242454441-02
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
01-08-42-001Q
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
PIC6591
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
PIP6008C
This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
PIT5832U
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985J
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
22-NA-172
This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI.
22-NA-210
This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.
21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
24-NA-239
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
N242484740
Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the Evaporative Emissions Purge Pump as necessary. The repairs will be made at no charge to the customer.
24-NA-173
This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil pump for a sticking valve that may cause the MIL to illuminate.
09-06-04-026Z
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
22-NA-218
This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
PIP6008B
This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
PIT5828D
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
20-NA-166
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT6134G
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
07-00-89-037U
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
24-NA-073
This technical bulletin provides a procedure to inform drivers that under certain driving conditions such as hilly or mountainous roads accompanied with frequent braking, that the original equipment front brake pads may wear prematurely.
21-NA-091
This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.
PIT6134F
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
03-06-01-023I
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
PIT5386K
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT6265B
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
18-NA-263
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
22-NA-038
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
22-NA-053
This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
PIT5985G
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT5832S
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
N242454441-01
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
24-NA-139
This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp (MIL) Illuminated – DTC P023F or P129F Set.
PIT5907D
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these false DTC's
PIT6054C
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.
PIT6015C
This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
PIT5074Q
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIT5962B
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIT5697D
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT6209D
This Preliminary information communicates recovery procedure after return to dealer message.
08-07-30-035I
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
N242454441
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
22-NA-238
This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
19-NA-219
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
22-NA-168
This bulletin provides diagnostic information when checking the exhaust system for leaks.
23-NA-167
This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.
PIT6279B
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
PIT6289
This Preliminary information communicates information that Engineering is aware of a concern where the collision / detection alert changes from audible beep to haptic feedback on its own and are working on a repair.
PIE0787B
This engineering information (EI) closure ends the need for gathering additional information from technicians in regard to diesel fuel on the ground.
PIT5860B
This Preliminary information communicates and issue with a no crank, Key Learn Pending or Ready For FOB 3 Message, Unable To Exit RVS With Push To Start Button, Symptoms Of A Dead Battery and has dealership inspect to see if the vehicle is falsely entering the manual transmitter programming and if so to replace the drivers power window switch.
PIT6134E
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT6279A
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
PIT6265A
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this communication issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
PIT6279
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
12-08-51-002R
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
PIT6192B
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
21-NA-089
This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
04-06-01-029K
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
PIT5832R
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985F
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
N242435631-05
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.
PIE0804A
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to a Chirp, Squeal, and/or Whine Type Noise Heard from Front of Vehicle During a Cold Start and/or While in Operation.
PIP4723J
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIT5698E
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
PIT6134D
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT6147A
This Preliminary information communicates information on how to select bootloader part number if there are issues SPS programming the IPC.
PIT6241
This Preliminary information communicates to GM dealers there is a concern with a noise on phone calls and the concern is being researched
PIT6243
This Preliminary information communicates how to find and address aftermarket Equipment that prevents Supercruise from engaging.
PIP5928B
This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
PIT5909C
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.
PIT6265
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
PIP6008A
This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
PIC6572
This Preliminary information was created to communicate to dealers that the GCW message can be turned off thru settings.
PIT6134C
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT6233
This Preliminary information communicates that GM is working on a resolution to the concern.
PIT6233A
This Preliminary information communicates that GM is working on a resolution to the concern.
23-NA-048
This service bulletin provides a procedure to replace the rear crankshaft seal ito correct a customer concern of an oil leak from the center of the vehicle.
PIC6486H
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIP5921A
This Preliminary information communicates the possibility of the Intake Cam Actuator cover plate screws backing out and making unwanted contact with the Cam Carrier.
PIT5569C
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
PIT6209B
This Preliminary information communicates recovery procedure after return to dealer message.
PIT5387P
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
PIT6209A
This Preliminary information communicates recovery procedure after return to dealer message.
24-NA-108
This service bulletin provides a procedure to correct radio software concerns.
24-NA-188
This bulletin advises the tech of a part number change for the engine kit assembly.
PIP6015
This Preliminary information communicates to the dealer a process for accessing the procedure to add attachments to a GM technical assistance case using the dealer case management tool.
24-NA-225
This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
PIT6259
This Preliminary information communicates information on faulty replacement K111 Fuel Pump Driver Control Module.
24-NA-040
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
PIP5997A
This Preliminary information communicates to the dealer, an issue where the wrong part number Engine Control Module is shipped to the dealer, leading to DTCs and programming issues.
PIP6014
This Preliminary information communicates for Technicians installing a Service Replacement Transmission Assembly to contact Technical Assistance to make sure unit is not suspect of a snap ring concern prior to installation.
10-00-89-009F
This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
24-NA-196
This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions and when the time is right to fill the DEF at that time frame.
03-06-01-023H
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
12-08-51-002Q
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
01-06-01-011Q
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
PIP5621E
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
99-00-89-019Z
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
PIT5950B
This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed.
07-00-89-037T
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
23-NA-154
This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
24-NA-167
This technical bulletin provides repair information to correct a customer concern of Shake and/or Shudder During Steady Speed and/or Light Throttle Acceleration Between 25 and 50 MPH (40 and 80 KM/H).
N242441560
Customer Satisfaction Program. Certain vehicles equipped with Super Cruise require high-definition road maps to be updated frequently. This ensures the vehicle is current with road changes and any additional Super Cruise approved mapped roads. Dealers will reprogram the automated driving mapping control module.
PIT5551P
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
04-06-04-051J
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
PIE0804
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on hearing one or more of the following noises coming from the front of the vehicle during a cold start and/or while in operation.
17-NA-302
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
23-NA-219
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
N242435631-04
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module and the radio.
20-NA-138
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
24-NA-027
This service bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable.
08-07-30-026I
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
PIP5949A
This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor.
PIT5689J
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIT5860C
This Preliminary information communicates and issue with a no crank, Key Learn Pending or Ready For FOB 3 Message, Unable To Exit RVS With Push To Start Button, Symptoms Of A Dead Battery and has dealership inspect to see if the vehicle is falsely entering the manual transmitter programming and if so to replace the drivers power window switch.
18-NA-146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
PIP6000A
This Preliminary Information communication advises the technician on a parts restriction on the Generation I 8 speed rear wheel drive valve bodies.
PIT5680A
This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector.
PIT5966D
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
PIT6132A
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
PIP5990A
This Preliminary information communicates a part restriction for certain MY 2.7 L3B service engines
PIP5996A
This Preliminary information communicates diagnostic information for vehicles with transmission noise.
PIP5997
This Preliminary information communicates to the dealer, an issue where the wrong part number Engine Control Module is shipped to the dealer, leading to DTCs and programming issues.
PIP6000
This Preliminary Information communication advises the technician on a parts restriction on the Generation I 8 speed rear wheel drive valve bodies.
PIT5985E
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT6223
This Preliminary information communicates a diagnostic tip for unwanted washer pump activation, flickering headlamp, and horn unwanted, due to a possible concern with ground G104.
24-NA-186
This bulletin advises the tech that if the wrong mounts are installed, this may be the cause of the engine vibration.
N242450631
Service Update. Certain vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
PIT5099H
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIT5871B
This Preliminary information communicates an issue with the IPC incorrectly listing Sport mode as a selection and dealers are to reprogram the IPC to correct this concern.
PIT6177A
This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel fuel contamination that may occur during refueling after the fuel nozzle is removed from the fuel filler pipe. Dealers are to create a foam seal around the fuel filler pipe to prevent fuel from leaking onto the left spring.
PIC6086H
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced.
PIP5996
This Preliminary information communicates diagnostic information for vehicles with transmission noise
PIT5509L
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIT6151A
This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
PIT6193A
This Preliminary information communicates to dealer instructions for diagnosing Google Maps concerns
PIT6212
This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
PIT6220
This Preliminary information communicates that a dealer may find the underhood beauty covers missing. The dealer is advised that these are missing by design and should not be ordered for the vehicle.
07-00-89-036K
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
21-NA-281
This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
PIT6192A
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
02-00-89-002X
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
23-NA-142
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
24-NA-103
This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the urethane seal.
PIC5650L
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIP5964D
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated and code P023F or P129F is found.
PIP5984C
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIT3271P
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT6134B
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT6198
This Preliminary information communicates a diagnostic tip for an SES MIL at startup with DTC U0100. Dealer are to test the accessory wake up circuit to the ECM for power.
PIP5832A
This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.
PIT5990B
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.
24-NA-178
The informational bulletin advises that the trim beadlock is for decoration and not actual function.
21-NA-149
This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, Various DTCs.
N222389722
Certain vehicles may have a condition in which a transmission control body screen detaches from the spacer plate when the vehicle is operated in extremely cold weather conditions. Dealers are to reprogram the Transmission Control Module.
PIE0787A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to diesel fuel on the ground.
24-NA-174
The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
General Communication
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
05-03-08-002J
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
18-NA-073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
23-NA-044
This service bulletin provides information on AGM batteries that require less frequent charging in storage.
PIP5984A
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIP5984B
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIP5990
This Preliminary information communicates a part restriction for certain MY 2.7 L3B service engines
PIT5481J
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
PIT5689H
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIT5918B
This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.
PIT5985D
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT6036A
his Preliminary information communicates an issue that when an engine mount is replaced there may be additional parts replaced along with the engine mount and dealership are to reference the parts catalog to determine if additional parts are needed.
PIT6192
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
PIT6193
This Preliminary information communicates to dealer instructions for diagnosing Google Maps concerns
PIC6486G
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIT6015B
This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
PIT6107F
This Preliminary information communicates that GM is aware of and working on the audio issue.
PIT6118A
This Preliminary information communicates a software anomaly that will cause a Forward Collision Unavailable message and a possible orange telltale on the DIC and to update vehicle software to resolve the concern.
23-NA-183
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 – Multiple Updates.
PIC6486F
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIC6551
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIP5569B
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
PIP5712C
This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related service procedures.
PIP5865C
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIT5195H
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
PIT5650B
This Preliminary information communicates that trucks built at Oshawa assembly utilize a powder anti-chip material process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.
PIT5832N
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5986B
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
PIT6107E
This Preliminary information communicates that GM is aware of and working on the audio issue.
PIT6134A
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT6177
This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel fuel contamination that may occur during refueling after the fuel nozzle is removed from the fuel filler pipe. Dealers are to create a foam seal around the fuel filler pipe to prevent fuel from leaking onto the left spring.
PIT6180
This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
19-NA-237
This service bulletin explains how to identify possible DEF system contamination.
PIT6107D
This Preliminary information communicates that GM is aware of and working on the audio issue.
01-00-89-010S
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
16-NA-244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
16-NA-380
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
22-NA-128
This technical bulletin provides a procedure to test the intake manifold for any possible leaks that may cause the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172, P026D, P2459, and/or P2A00 Set.
23-NA-011
This Informational bulletin advises the technician of possible areas the oil may leak from the engine.
24-NA-043
This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.
24-NA-100
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 – Multiple Updates for IOK.
07-06-01-016J
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
23-NA-141
This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
00-06-01-012N
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
05-06-04-022V
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
16-NA-222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
09-06-04-026Y
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
01-06-01-011P
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
18-NA-103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
21-NA-271
This bulletin advises the technician of a possible kinked coolant hose that might be causing the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P026A Set.
18-NA-306
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
20-NA-090
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
20-NA-082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
PI0754G
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
16-NA-158
This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
18-NA-279
This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
12-01-37-001G
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
24-NA-141
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
20-NA-038
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
00-03-10-002M
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
17-NA-157
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
N242442100
Certain vehicles may have a condition in which the trailer brake function is inoperative. Dealers will install a new Integrated Trailer Brake Control Switch on the instrument panel and reprogram the Instrument Panel Cluster (IPC) and the Electronic Brake Control Module (EBCM).
23-NA-002
This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing, Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P0300 DTCs Set.
99-04-20-002O
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
04-06-04-051I
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
16-NA-383
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
24-NA-123
This service bulletin advises the technician that the purge pump part number has changed and limited supply.
24-NA-091
This technical bulletin provides repair information to load L3B Turbocharger Wastegate Service Calibration to correct a customer concern of a screeching noise on engine shutdown.
22-NA-070
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
18-NA-099
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
22-NA-018
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
19-NA-218
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
18-NA-125
This service bulletin provides information for engine oil life monitor operation calculation.
21-NA-068
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
N232431900
Customer Satisfaction Program. On certain vehicles, the customer may not have been provided with the 2 additional smart key fobs that were purchased. Dealers are to provide the customer with 2 unprogrammed smart key fobs.
20-NA-016
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
23-NA-032
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.
24-NA-090
This technical bulletin provides repair information to correct a customer concern of SuperCruise Unavailable – No road Info: Road Expansion.
08-07-30-035H
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
19-NA-136
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
16-NA-119
This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
09-00-89-008G
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
18-NA-067
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
18-NA-361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
22-NA-106
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.
06-00-89-029V
This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
10-08-110-001K
This service bulletin provides information on proper use of floor mats.
13-08-116-001J
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
15-00-89-004G
This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
23-NA-125
This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.
00-03-10-006P
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
17-NA-052
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
22-NA-258
This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.
10-08-45-001H
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
23-NA-112
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
PIP5964C
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated and code P023F or P129F is found.
PIC6486E
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIT6015A
This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
23-NA-103
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
PIP5964B
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.
24-NA-060
This service bulletin provides repair information to correct a customer concerns of Radio Software issues.
PIT6134
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT6132
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
07-00-89-037S
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
21-NA-171
This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage.
PIT5832L
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
11-00-89-005X
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
PIP5964A
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.
PIT5689G
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIP5843D
This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
PIP5865B
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
PIT5918A
This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.
PIP5863B
This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.
PIP5596A
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
PIT5448J
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
PIP5968
This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.
23-NA-169
This service bulletin provides repair information to correct a customer concern of the rearview driver information camera intermittent in low light conditions - replace camera.
PIT6076A
This Preliminary information communicates that you may notice a black screen on their radio display. This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
24-NA-020
This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.
PIP5964
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.
PIP5966
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
PIT5689F
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIP5962
This Preliminary information communicates how to isolate a tick noise from the rear axle housing.
PIT4322P
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5551N
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT5744D
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
N232419720
Emission Recall - General Motors has decided to conduct a Voluntary Emission Recall on certain vehicles. During servicing of these vehicles, an incorrect catalytic converter part that may not meet all emission system requirements may have been installed. Dealers are to replace the catalytic converter.
PIT6054B
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.
PIT6107C
This Preliminary information communicates that GM is aware of and working on the audio issue.
20-NA-018
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
PIC6486D
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIT5895C
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
19-NA-044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
PIT5479F
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
16-NA-338
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
23-NA-070
This technical bulletin provides repair information to correct a customer concern of UDV Cluster Software version 162.3
PIT6097C
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update.
23-NA-055
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) â FAQs.
PIT5702E
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5734G
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
PIT6119
This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device installed on the vehicle.
PIT6120
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation instructions for the 9L7 Upfitter Switches.
23-NA-189
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
PIT6118
This Preliminary information communicates to dealer on how to check for an OTA update pending
23-NA-214
This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.
21-NA-132
This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS.
PIE0747E
This engineering information (EI) closure ends the need for gathering further information from technicians regarding information to inform dealership personnel on elevated Warranty being seen on A/C compressors.
PIP5959
This Preliminary information communicates that the rear axle RPO may have been miscoded in the vehicle build.
PIT6115
This Preliminary information communicates the proper procedures for doing an alignment on a vehicle with super cruise that has a pulling complaint.
22-NA-112
This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3.
22-NA-246
This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other possible issues, but it still may be possible on high mileage vehicles that orifices in housing may have come dislodged, causing the same customer concern.
PI0281K
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
PIT6107B
This Preliminary information communicates that GM is aware of and working on the audio issue.
02-08-42-001J
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
PI1394B
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
PIT6084A
This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will still be alerted to an approaching vehicle by the seat vibration. Dealers are advised that engineering is working on a resolution and it will be available by the end of 2023.
PIT5161K
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
PIT5733D
This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5743D
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
PIT5828C
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
PIT6107A
This Preliminary information communicates that GM is aware of and working on the audio issue.
PI0592I
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIT6107
This Preliminary information communicates that GM is aware of and working on the audio issue
PIT5687A
This Preliminary information communicates some diagnostic tips to inspect for no/low voltage at the ECM for a customers complaints of a SES MIL, Crank No Start, stalling DTC's: P16A7 and/or P16AF.
18-NA-180
This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
16-NA-361
This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.
23-NA-034
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y167 â Multiple Updates for IOK.
23-NA-118
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 â Multiple Updates for IOK.
23-NA-143
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169â Multiple Updates for IOK.
PIT5386J
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5074P
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIT5962A
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
N222371151-12
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
PIT6097B
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
PIT6097A
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
PIT6097
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
PIT5851D
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
22-NA-256
This technical bulletin provides repair information to correct a customer concern of Cluster Graphics Programming Failure.
PIP5847B
This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.
PIT5985C
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT6088
This Preliminary information communicates a diagnostic tip to inspect the main ground connection when diagnosing any lack of power steering assist issues with DTCs C1597 and/or C1599.
PIT5214F
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
PIT5832K
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
22-NA-118
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W163 â Multiple Updates.
22-NA-142
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W164 â Multiple Updates.
PIT5551M
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
22-NA-251
This service bulletin provides a procedure to replace the front wheel drive shaft to correct a customer concern of a Squeak/Chirp Noise from Front Axle in 2wd.
PIT6084
This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will still be alerted to an approaching vehicle by the seat vibration. Dealers are advised that engineering is working on a resolution and it will be available by the end of 2023.
03-00-91-001I
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
PIP5949
This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor.
PIT5736C
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
N222371151-11
Customer Satisfaction Program. Final VINs Released Message.
N222375790-09
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
PIC6486C
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIT6076
This Preliminary information communicates that you may notice a black screen on their radio display. This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
PIP5943
This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions
22-NA-225
This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by Rear of Transmission or Transfer Case Area.
23-NA-023
This technical bulletin provides repair information to correct a customer concern of After a Remote Start When the Start Button Is Pressed the Engine May Stall or Will Not Restart.
05-00-89-029F
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
23-NA-148
This technical bulletin provides a procedure to correct the condition of Missing French Translation Label on Fuel Cap.
N222375790-08
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
01-06-01-011O
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
17-NA-170
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
PIT5966C
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
99-00-89-019Y
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
PIT6053A
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
02-00-89-002W
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
10-00-89-006J
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
PIT5099G
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIT5698D
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
PIT5950A
This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed.
22-NA-015
This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.
12-08-51-002P
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
PIT5895B
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
20-NA-142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
N222375790-07
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
N222375791-08
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
PIT5832J
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985B
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT5551L
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT6053
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
PIP5621D
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
22-NA-187
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector.
N23-240985
(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: Updates made to improve the Power Window functionality. Updates made to improve the Super Cruise driver assistance technology and the Adaptive Cruise Control functionality. Updates to improve the connectivity within Apple CarPlay, Bluetooth, Google built-in, & Alexa Built-in. A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stopsâ¢â
N222375790-06
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
PIT6050
This Preliminary information communicates to dealership technicians that if they receive a radio with the 2 stickers as noted above, the radio was remanufactured with missing components and will need to order another radio unit from the ESC to properly repair the vehicle at this time.
21-NA-067
This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel.
09-00-89-016H
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
23-NA-138
This informational bulletin advises the tech the possible causes of the DTCs that set and how to maintenance the issue.
N23-241156
(There may be future updates under this same release number.) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements ⢠ââUpdates made to the overall vehicle software update processâ. Better Never Stopsâ¢
PIP5628G
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
N222371151-10
Customer Satisfaction Program. We are pleased to announce that all remaining GMC Yukon, Yukon XL, and Chevrolet Blazer VINs have been moved to an Open status.
15-00-89-004F
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
10-06-05-002M
This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
N222375791-07
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
PIP5847A
This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.
01-00-89-010R
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
03-06-04-017T
This service bulletin provides information on availability of Diesel Fuel additives.
04-06-04-051H
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
09-06-04-026X
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
22-NA-232
This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump.
PIE0747D
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed regarding information to inform dealership personnel on elevated Warranty being seen on A/C compressors.
PIT5909B
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.
PIE0701B
This engineering information (EI) closure ends the need to gather further information from technicians regarding taking pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off.
N222375791-06
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles listed, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module
PIE0747C
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineers listed regarding information to inform dealership personnel of elevated Warranty being seen on A/C compressors.
N222383020
Service Update: Certain vehicles may have an Engine Control Module that does not properly respond to certain service tool requests for the datafile CALID (part number) and CVN (checksum). This condition may cause a vehicle to fail an emissions Inspection/Maintenance (I/M) test. Dealers are to reprogram the Engine Control Module.
17-NA-066
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
PIP5358C
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
PIT5551K
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
21-NA-026
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
99-09-40-005I
This service bulletin provides information on availability for a seat belt extender.
07-08-42-006S
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
PIP4902R
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
23-NA-117
This technical bulletin provides repair information to correct a customer concern of Electronic Lighting Control Module Loose or Hanging out of BCM Bracket.
PIT5990A
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.
N222375790-05
Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
PIT5734F
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
01-06-01-011N
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
99-08-51-001F
This service bulletin provides information on Paintless Dent Repair Process.
PIP5934
This Preliminary information communicates the possibility of dtc U060F or U1345 being set as current or history and clearing the codes then evaluating to confirm they do not return Engineering investigating root cause of condition
13-08-116-001I
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
21-NA-005
This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.
PIT6036
This Preliminary information communicates an issue that when an engine mount is replaced there may be additional parts replaced along with the engine mount and dealership are to reference the parts catalog to determine if additional parts are needed.
23-NA-042
This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
PIP5928A
This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
PIT6032B
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
PIP5843C
This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
PIT5697C
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT6032A
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
N222371151-09
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
PIT5977F
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
PIT5966B
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
PIT6032
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
PIP5928
This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
21-NA-061
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
N232398030
Customer Satisfaction Program. Certain vehicles may have been shipped without two additional key fobs. Dealers are to provide customers with the two additional key fobs. Note: Programming of key fobs is at customerâs expense.
PIT6031
This Preliminary information communicates an issue where an aftermarket autostop device is causing a dead battery.
PIE0747B
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard information to inform dealership personal on elevated Warranty being seen on A/C compressors.
PIT4261J
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
PIT5999A
This Preliminary information communicates to dealers that the Customers may notice audio that is choppy or delayed, GM engineering is aware of the issue and working on a resolution.
23-NA-095
This service bulletin provides repair information to correct a customer concern of Lane Keep Assist Unavailable / Adaptive Cruise Control Inop / Service Driver Assist Systems / Amber Front Collision Icon On / Dead Battery / No Crank / Front View Camera / Auto Start Stop Inop / Unable to Complete Camera Learn Stops At 94% /DTC U3000 44 49 54 and/or 57.
04-07-30-013E
This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
N222371150-03
Customer Satisfaction Program. Message sent to dealers to announce the final VINs were released.
N222375791-04
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
PIE0747A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard information to inform dealership personal on elevated Warranty being seen on A/C compressors.
02-00-89-002V
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
23-NA-062
This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D.
PIT5977E
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
08-07-30-026H
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
N222371151-08
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
N222371151-07
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
N222375790
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
12-03-10-001E
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
PIT5509K
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIT5909A
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.
PIT5977D
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
PIT3665M
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
N222371151-06
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
PIC5650K
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIT5986A
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
PIT5832H
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT6015
This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
PIE0747
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards information to inform dealership personal on elevated Warranty being seen on A/C compressors.
PIT5974A
This Preliminary information communicates an issue with the mirror puddle lights only stay on for a few seconds and then turning off. Engineering has released new updated lighting control module calibrations to correct the issues. Dealers are to reprogram the lighting control module.
PIT3227S
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
22-NA-252
This informational bulletin advises the tech on where possible issues may be found when dealing with the dtcs that are set.
N222375791
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
PIP5921
This Preliminary information communicates the possibility of the Intake Cam Actuator cover plate screws backing out and making unwanted contact with the Cam Carrier.
01-08-42-001P
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
11-00-89-005W
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
N222384930
Customer Satisfaction Program - certain vehicles may have a âService Trailer Brakeâ message set when a trailer with electric brakes is connected and the driver attempts to use the manual apply slider on switch or depress the brake pedal while towing. Dealers are to replace the Trailer Brake Control Switch.
PIT5509J
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIT6005
This Preliminary information communicates of a software concern that General Motors is working on a fix for
PIP5628F
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
12-03-10-001D
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
22-NA-253
This technical bulletin provides repair information to correct a customer concern of Cluster RPO UDV 162.1 Software Update â Multiple Updates.
PIT5970B
This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair.
04-00-89-015Z
This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
22-NA-235
This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.
PIT5970A
This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair.
PIT6000
This Preliminary information communicates to the field how to address DTC: B2BA1 for Map module version being out of date and causing a Service Drivers Assist message.
22-NA-122
This informational bulletin provides a possible cause of transmission issues from debris in the valve body and how to test/diagnose the trans to determine a possible cause of the customer's concern.
PIT5387N
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues.
23-NA-025
This technical bulletin provides repair information to correct a customer concern of Engine Control Module Software Anomalies with MIL Illuminated and DTC P060C Set.
22-NA-247
This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
23-NA-045
This technical bulletin provides repair information to correct a customer concern of Engine RPO L3B P0299 Service Calibration.
N222375791-02
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
PIT5977C
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
08-07-30-035G
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
10-08-110-001J
This service bulletin provides information on proper use of floor mats.
11-00-89-005V
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
PIT5999
This Preliminary information communicates to dealers GM is aware of the issue and working on a resolution
20-NA-198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.
PIE0737C
This engineering information (EI) closure ends the need for further information from technicians in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
N222375791-01
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
PI0281J
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
PIT5971B
This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
23-NA-059
This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the Armrest/Door Switch.
PIT5977B
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
23-NA-015
This technical bulletin provides sound examples and a procedure to aid in validating and if found , repairing the customers concern caused by the balance shafts of the engine.
23-NA-049
This technical bulletin provides repair information to correct a customer concern of Volume Selection Does Not Clear from DIC After Adjusting Volume.
N222371150-02
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning January 6, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the heated steering wheel control module.
03-06-04-017S
This service bulletin provides information on availability of Diesel Fuel additives.
00-06-01-012M
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
00-06-01-026Q
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
21-NA-106
This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.
22-NA-009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
PIT5883J
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
07-06-01-016I
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
23-NA-035
This technical bulletin provides repair information to correct a customer concern of Instrument Cluster RPO UDV 162.2 Software Update â Multiple Updates.
PIT5971A
This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
N222378560-05
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front driver and passenger seat cushion ventilation blowers are not functional on certain 2022-2023 model year vehicles listed above, built beginning March 30, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the non-functional seat cushion ventilation blower with a functional one. Note: Some vehicles may also require the Heated/Ventilated Seat retrofit which must be performed prior to completing this procedure. Use IVH to verify if the vehicle is involved in the Heated/Ventilated Seats Retrofit (N212354520 or N212354522).
PIP5905
This Preliminary information communicates to the dealers information related Malfunction Indicator Lamp (MIL) illuminated in the Driver Information Center (DIC). Technicians may find DTC P0299 may be stored Current or in recent history. Technicians are advised of updated Engine Control Module Calibrations becoming available.
PIT5387M
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
PIT5750C
This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus.
10-06-05-002L
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
PIT5977A
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
PIE0737B
This engineering information (EI) closure ends the need for further information from technicians in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
23-NA-037
This informational bulletin provides Information on Light Duty Silverado and Sierra Correct Spare Tire Size for Accessory Wheel Packages.
PIE0737A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
PIT5832G
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985A
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIP5891D
This Preliminary information communicates an engineering investigation for injector caused misfires.
16-NA-130
This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.
PIT5873G
This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed. On certain models, dealerships are to reprogram the BCM to correct the issue. The remaining models engineering is working on a fix.
PIT5985
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
15-NA-017
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
PIT5733C
This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5744C
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
PIT5990
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.
PIE0737
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
PIT5551J
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT5912G
This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
22-NA-127
This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
PIT5883H
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
N222371150-01
Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning January 6, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the heated steering wheel control module.
PI0754F
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
22-NA-220
This technical bulletin provides a procedure to replace the fuel feed line if found the cause of the failure which set the DTC.
99-04-20-002N
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
PIE0726A
This engineering information (EI) closure ends the need for information from technicians in regards to the check engine lamp illuminated on driver information center (DIC).
PIT4322N
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5832F
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5986
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
01-08-42-001O
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
N222379652-01
Customer Satisfaction Program. Added population.
PIT5873F
This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed. On certain models, dealerships are to reprogram the BCM to correct the issue. The remaining models engineering is working on a fix.
PIT5984
This Preliminary information communicates a diagnostic tip for an issue where the starter stays engaged after the engine starts. Dealers are to suspect/monitor the crankshaft position sensor.
07-08-42-006R
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
PIT5948B
This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering released an updated trailer brake switch, See Customer Satisfaction Program N222384930.
PIP5628E
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5900
This Preliminary information communicates to the dealer a diagnostic and repair direction to a possible engine crankshaft bearing failure.
PIT5873E
This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed. Engineering is working on a fix.
PIT5650A
This Preliminary information communicates that trucks built at Oshawa assembly utilize a powder anti-chip material process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.
PIC6486B
This Preliminary information communicates to dealer that GM is aware of an issue with Apple Carplay, and is working on a resolution.
19-NA-076
This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse.
23-NA-014
This technical bulletin provides repair information to correct a customer concern of Unable to Dismiss Turn By Turn Directions from the DIC.
PIT5927B
This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. It also advises that once a repair is available that the PI will be replaced by a Service Bulletin.
N212354520-06
Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, reprogram the body control module and on some vehicles, reprogram the HVAC control module and heater and air conditioning user interface control. Note: Some vehicles may also require an additional retrofit of the Left and Right Front Seat Cushion Ventilation Blower in order to restore full functionality of the ventilated seats. Vehicles built with this condition can be identified by RPO 04O. Use IVH to verify if the vehicle is currently eligible in the Front Seat Cushion Vent Blowers Retrofit bulletin N222378560. If so, both retrofits should be performed at the same time.
N212354522-05
We are pleased to announce that additional 2022-2023 model year Buick Envision vehicles have been moved to Open status in IVH.
PIT5921A
This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
PIT5977
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
PIT5946C
This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
00-00-90-002M
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
07-03-16-004E
This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
PIT5832E
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5689E
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIT5974
This Preliminary information communicates an issue with the mirror puddle lights only stay on for a few seconds and then turning off. Engineering is working on a fix.
PIT5946B
This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
PIP5891C
This Preliminary information communicates an engineering investigation for injector caused misfires.
21-NA-095
This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
N222362040
Service Update - certain vehicle may have a condition where the brake line contacts the rear axle. Dealers are to inspect the rear brake lines for clearance and replace if necessary.
PIT5970
This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and working on a solution for the concern.
PIT5971
This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
02-00-89-002U
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
22-NA-129
This technical bulletin provides a procedure to replace the rear transmission plugs if found the cause of the customers concern.
N222371150
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning January 6, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the heated steering wheel control module. Updated VIN List Attached
PIP5891B
This Preliminary information communicates an engineering investigation for injector caused misfires.
PIT5386H
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5868B
This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.
PIT5912F
This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
22-NA-087
This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Set.
PIP5843B
This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
PIP5865A
This Preliminary information communicates the possibility of dtc dtc p30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft
PIT5873D
This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed. Engineering is working on a fix.
PIT5966A
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
20-NA-187
This service bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off.
N212354520-05
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, reprogram the body control module and on some vehicles, reprogram the HVAC control module and heater and air conditioning user interface control. Note: Some vehicles may also require an additional retrofit of the Left and Right Front Seat Cushion Ventilation Blower in order to restore full functionality of the ventilated seats. Vehicles built with this condition can be identified by RPO 04O. Use IVH to verify if the vehicle is currently eligible in the Front Seat Cushion Vent Blowers Retrofit bulletin N222378560. If so, both retrofits should be performed at the same time.
N222383250
Service Update- Certain vehicles may experience a Malfunction Indicator Lamp (MIL). Transmission shift quality may be impacted. Dealers are to replace the Transmission Control Module.
PIT5907C
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these flase DTC's
PIT5161J
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
PIT5907B
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update is available to repair these flase DTC's
PIT5819A
This Preliminary information communicates in temperatures below freezing, it may be noticed that exhaust is only exiting from the right hand exhaust tailpipe. The cause of this condition is a low point in left side tailpipe which results in condensation building up at the low point in the tailpipe. In low temperatures the condensation can freeze and form ice limiting the flow of exhaust out of the left tailpipe. Dealers are to drill a small hole in the left tailpipe to allow condensation to drain.
PIT5907A
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint.
PIT5946A
This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
22-NA-257
This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
PIT5966
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
09-00-89-008F
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
N212354520-04
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature.
PIP5893
This Preliminary information communicates that improper installation of the valve body may cause an unawanted Service Transmission message with no DTC'S.
22-NA-051
This informational bulletin provides information for dealers/technicians on Changes to Park Assist and Reverse Automatic Braking for Certain 2022 Passenger Car, Crossover, SUV, and Truck Models Equipped with RPO 00Y and/or 00Z.
N212354520
Customer Satisfaction Program. It has come to our attention that some vehicles involved in the heated vented seat retrofit may also be involved in Noncompliance recall N222386380. If the OTA update is completed prior to the heated vented seat retrofit, the customer may notice the heated vented seat switch now illuminates. This OTA update does not restore the heated vented seat functionality. Completion of Customer Satisfaction Program N212354520 through N212354525 are necessary to restore the functionality of the heated vented seats. We encourage working with customers to schedule appointments to complete this important Customer Satisfaction Program. Please verify a VIN's involvement in these field actions by checking in IVH. IVH is the best source for individual VIN inquiries.
PIT5883G
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
PIP5540J
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
21-NA-124
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
N212354520-03
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, reprogram the body control module and on some vehicles, reprogram the HVAC control module. Note: Some vehicles may also require an additional retrofit of the Left and Right Front Seat Cushion Ventilation Blower in order to restore full functionality of the ventilated seats. Vehicles built with this condition can be identified by RPO 04O. Use IVH to verify if the vehicle is currently eligible in the Front Seat Cushion Vent Blowers Retrofit bulletin N222378560. If so, both retrofits should be performed at the same time.
PIT5746C
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
22-NA-250
This service bulletin provides repair information to correct a customer concern of Rear View Camera Display Gridlines Dim.
PIT5551H
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIE0715C
This engineering information (EI) closure ends the need for gathering information from technicians in regards to the front upper control arm ball joint separated from the socket.
PIE0713A
This engineering information (EI) closure ends the need for gathering information from technicians in regards to horn having weak sound and/or horn is inoperable.
PIP5891A
This Preliminary information communicates an engineering investigation for injector caused misfires.
PIP5863A
This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.
22-NA-243
This technical bulletin provides a procedure to program the ECM and perform a NOX Catalyst Reductant Loading Reset and NOx Sensor Reset.
N222379652
Customer Satisfaction Program. Certain vehicles listed above were manufactured and shipped to the dealer without the hood insulator. Dealers are to install the hood insulator.
PIP5632G
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIP5843A
This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
PIP4902Q
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIE0724A
This engineering information (EI) closure ends the need for gathering further information from technicians in regards to the radio staying on after retained accessory power (RAP), low and/or having a dead battery.
PIT3271N
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT5851C
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
PIT5883F
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
22-NA-236
This technical bulletin provides repair information to correct a customer concern of being Unable to Learn Key Fob or Transmitter.
PIE0715B
This engineering information (EI) closure ends the need for gathering further information from technicians in regards to the front upper control arm ball joint separated from the socket.
PIT5832D
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
22-NA-216
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
PIT5662G
This Preliminary information communicates information to diagnose DTC C056D or C056E.
PIT5959
This Preliminary Information communication provides information to the technician that if they receive a vehicle with this concern with their vehicles trailer hitch backup camera guideline not centered, General Motors is aware of this and are working on identifying the cause and working on a remedy for this concern
PIE0726
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the check engine lamp illuminated on driver information center (DIC).
PIP5891
This Preliminary information communicates an engineering investigation for injector caused misfires.
N212354521-03
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, replace the front HVAC user interface control module and reprogram the body control module. In addition, Traverse vehicles will require the HVAC control module programming and some Silverado and Sierra vehicles may require replacement of the AM/FM stereo radio control.
PIT5481H
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
PIT5942A
This preliminary information discusses Information On Vehicle Option Retrofits Due to The Chip Shortage.
N212354521-02
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, replace the front HVAC user interface control module and reprogram the body control module. In addition, Traverse vehicles will require the HVAC control module programming and some Silverado HD and Sierra HD vehicles may require replacement of the AM/FM stereo radio control.
N212354522-03
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front and rear seat heater control modules, reprogram the body control module and on some vehicles, reprogram the HVAC control module. Note: Some vehicles may also require an additional retrofit of the Left and Right Front Seat Cushion Ventilation Blower in order to restore full functionality of the ventilated seats. Vehicles built with this condition can be identified by RPO 04O. Use IVH to verify if the vehicle is currently eligible in the Front Seat Cushion Vent Blowers Retrofit bulletin N222378560. If so, both retrofits should be performed at the same time.
PIP5888A
This Preliminary information is to advise dealership technisians there is an ECM calibration to correct a DTC P2C7A.
PIT5736B
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
PIT5851B
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
PIE0724
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the radio staying on after retained accessory power (RAP), low and/or having a dead battery.
PIT5927A
This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. It also advises that once a repair is available that the PI will be replaced by a Service Bulletin.
PIT5956
This Preliminary information communicates a work around to program transmitters that were deleted from the vehicle or a BCM replacement.
15-NA-087
This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system.
22-NA-214
This service bulletin provides a procedure to repair a customer concern of Stop/Start System Inhibited / IBS / Battery Monitor with Module Malfunction Indicator Light (MIL) Illuminated - DTC U152D, P15FF, P305D, P305E, U01B0 Set.
N212354521-01
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, replace the front HVAC user interface control, reprogram the body control module and on some vehicles, reprogram the HVAC control module.
PIT5903A
This Preliminary information communicates to General Motors dealers some helpful steps to diagnose the speed limit showing dashes concern.
22-NA-205
This service bulletin provides information on Module Harvesting.
N212354521
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front seat heater control module, replace the front HVAC user interface control, reprogram the body control module and on some vehicles, reprogram the HVAC control module.
PIP5845A
This Preliminary information communicates to the dealer technician that if the vehicle's engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic Transmission Fluid Cooling Exchanger. The dealer should refer to bulletin 08-07-30-035 for the recommended components that should be replaced in the transmission and to flush the engine cooling system following service information.
PIP5888
This Preliminary information is to advise dealership technisians the cause of DTC P2C7A is under investigation.
PIP5887
This Preliminary information communicates the possibility of a normal balance shaft gear whine noise to exist in the engine and is normally most audible at or above 1500rpm. This noise does not create any reliabilty or durability issues with the engine.
PIT3665L
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
PIT5940A
This Preliminary information communicates that a customer may notice that the gridlines on the backup camera are very dim. They may mention that this occurred after an OTA update. The dealer technician is advised to perform no repairs. The technician is advised that engineering is looking into a resolution and the resolution will be communicated through this PI or a bulletin when it becomes available.
PIP5872
This Preliminary information communicates to replace the rear plugs in the transmission if found leaking.
PIT5955
This Preliminary information communicates and issue when driving at highway speeds (above 60 mph) that there is a noise from the rear seat area that could be described as a buffering, pulsing, vibrating, roaring, booming type noise. Dealers are to fill the C pillar cavities with sound deadening material to correct the issue.
PIT5702D
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
21-NA-006
This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector.
10-00-89-006I
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
PIT5897A
This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern.
N212356230
Certain vehicles may have a condition where the Front Camera Module (FCM) becomes unresponsive and generates a Diagnostic Trouble Code (DTC). Dealers are to re-program the FCM with the latest software available.
PIT5948A
This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering is aware of the issue and working on a fix.
N222369960
Customer Satisfaction Program. Certain vehicles were invoiced with a Second Row USB Receptacle that was not available at the time of vehicle purchase, which is listed as a standard feature in these vehicles. Dealers will provide the original owner with a reimbursement check in the amount of $25.00 USD ($25.00 CAD).
22-NA-196
This informational bulletin advises the technician that it's possible that the wrong generator may have been installed if found recently replaced which can cause the customer's concern.
99-00-89-019X
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
N222372540
Certain vehicles were built without spare wheel heat shield retainers between the frame and the spare tire housing/shield. Dealers will install the missing spare wheel heat shield retainers.
PIT5946
This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
N222375000
In certain vehicles, equipped with a manual HVAC system (RPO: C4P), the K33 HVAC Control Module may not properly enable the heater auxiliary coolant pump to maintain cabin heater temperature during engine auto stop events. Reprogram the K33 HVAC Control Module with updated software.
PIP5881
This Preliminary information communicates of a possible internal torque converter concern for a lack of power from a launch, transmission temperature overheat, and/or rough engine idle.
PIT5832C
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5952
This Preliminary information communicates to dealer there is a known issue with the IPC software and that General Motors is working on a solution
PIE0665C
This engineering information (EI) closure ends the need for further information from the field in regards to Service Engine Soon (SES) Lamp illuminated and/or âService Emissions Systemâ message on the Driver Information Center (DIC).
PIE0706A
This engineering information (EI) ends the need for further information from the field in regards to the investigation to help GM engineering to better understand the conditions that causes mechanical seal loss of the NOx sensors.
22-NA-185
This informational bulletin explains how the trans slip or flare can be a normal condition.
22-NA-195
This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.
PIT5698C
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
PIT5950
This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed.
03-06-04-017R
This service bulletin provides information on availability of Diesel Fuel additives.
12-08-51-002O
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
PI0592G
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIT5948
This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering is aware of the issue and working on a fix.
PIE0697B
This engineering information (EI) closure ends the need for further information from the field in regards to a Malfunction Indicator Lamp (MIL) illuminated on driver information center (DIC) with DTCs P26BB and/or P2B60 Set.
05-06-04-022T
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
06-00-89-031H
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
07-06-01-016H
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
13-08-116-001H
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
15-00-89-004E
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
22-NA-060
This informational bulletin provides a procedure to install an isolator over the valve cover if found missing and corrects the customers concern.
01-00-89-010Q
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
05-00-89-072F
This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
09-06-04-026W
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
PIE0715A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the front upper control arm ball joint separated from the socket.
PIP5621C
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
00-06-01-012L
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
01-06-01-011M
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
03-06-04-017Q
This service bulletin provides information on availability of Diesel Fuel additives.
04-06-04-051G
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
PIT5883E
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
10-06-05-002K
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
00-06-01-026P
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
11-00-89-005U
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
22-NA-022
This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not.
22-NA-184
This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal.
PIE0665B
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or âService Emissions Systemâ message on the Driver Information Center (DIC).
05-00-89-029E
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
22-NA-176
This technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair.
22-NA-181
This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission.
PIE0698A
This engineering information (EI) closure ends the need for further information from the field in regards to oil leaking from the oil pan.
03-06-01-023F
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
PIE0698
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan.
22-NA-174
This service bulletin provides information on Terms and Conditions/Privacy Statement App (TCPS App) Guide for infotainment systems in a default factory demo mode.
11-00-89-005T
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
N222379650
UPDATE: Initial Lifting of Stop Delivery Order for N222379650 Hood Insulator Build Shy
N212354524-01
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the rear seat heater control module and reprogram the body control module.
PIE0715
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the front upper control arm ball joint separated from the socket.
20-NA-065
This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
21-NA-027
This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering Connector Loose Within Rear Bumper.
N212354523
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front and rear seat heater control modules, replace the front and rear HVAC user interface controls, reprogram the body control module and on some vehicles, reprogram the HVAC control module.
PIE0713
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to horn having weak sound and/or horn is inoperable.
PIP5792E
This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission fluid temperature concern they should inspect for a twisted transmission cooler line. Technicians are instructed to disconnect the cooler line and untwist it then reconnect the cooler line and inspect the cooler line for being misshaped. Technicians are instructed to replace the cooler line if it is misshaped.
PIT5934
This Preliminary information communicates to inspect for mispositioned floor carpet blocking rear HVAC duct work causing airflow concerns to rear HVAC vents.
21-NA-189
This service bulletin provides information on Super Cruise Escalation Cancellation.
04-00-89-015X
This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
PIP5861
This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P0308. Upon diagnosis it may be discovered the lifter has come apart. It is recommended to replace the lifter guide and the four lifters.
PIT5926A
This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield.
PIT5895A
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
N222367510
Certain vehicles, equipped with Accessory Exhaust Upgrade, (RPO WBC), may cause damage to the rear fascia. Dealers will replace the exhaust, and if necessary, replace the rear fascia, parking sensor and wiring if damaged. Dealers will also issue a refund check since no accessory exhaust upgrade is available at this time.
N222367511
Certain vehicles equipped with Accessory Exhaust Upgrade, (RPO WBC), may cause damage to the rear fascia. Dealers will inspect the exhaust and replace if necessary. The rear fascia, parking sensor and wiring will be replaced, if damaged.
PIT5569B
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
PIT5927
This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. It also advises that once a repair is available that the PI will be replaced by a Service Bulletin.
PIT4261H
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
22-NA-082
This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set.
PIE0685A
This engineering information (EI) closure ends the need for further information regarding oil leaking from the lower oil pan seal area.
PIP5212D
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
PIT5926
This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield
22-NA-135
This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
12-01-37-001F
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
PIC5260F
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIE0697A
This engineering information (EI) is requesting information from the technician and to perform the check list provided in regards to a Malfunction Indicator Lamp (MIL) illuminated on driver information center (DIC) with DTCs P26BB and/or P2B60 Set.
22-NA-126
This service bulletin provides repair information to correct a customer concern of Automatic Emergency Braking (AEB) Forward Collision Icon Lamp On with No DTCs Present.
22-NA-123
This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen and No Communication with the Video Processing Module (VPM).
PIT5681C
This Preliminary information communicates the location of the GM Accessory Performance Brake System Rotor Specifications
PIT5448H
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
PIP5792D
This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission fluid temperature concern they should inspect for a twisted transmission cooler line. Technicians are instructed to disconnect the cooler line and untwist it then reconnect the cooler line and inspect the cooler line for being misshaped. Technicians are instructed to replace the cooler line if it is misshaped.
PIT5913A
This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue
22-NA-027
This technical bulletin advises to replace the camshaft cover if found within the Julian date and the cause of a customer concern of possible oil consumption with or without DTC P06DD.
22-NA-120
This technical bulletin provides repair information to correct a customer concern of Cluster Software Version 161.3 - Multiple Updates.
PIT5921
This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
PIE0695A
This engineering information (EI) closure ends the need for further information from the field in regards Service Emission System and/or DEF Level Low message on driver information center (DIC).
PIE0701A
This engineering informational bulletin is requesting information from technicians to take pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off and contact the engineer listed.
PIT5912C
This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
N222359250
Certain vehicles may have an incorrect Air Conditioning (A/C) compressor low side driver assembled into the Heater and Air-Conditioning Remote-Control. Dealers are to inspect and if necessary, replace the Heater and Air-Conditioning Remote-Control.
22-NA-064
This technical bulletin provides repair information to correct a customer concern of In-Vehicle MyBrand App Login Error IOK Radio.
PIE0665A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or âService Emissions Systemâ message on the Driver Information Center (DIC).
PIE0701
This engineering informational bulletin is requesting information from technicians to take pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off and contact the engineer listed.
N222360980
Customer Satisfaction Program. Certain vehicles, equipped with a 6.2L gasoline engine (RPO L87), may have a condition in which the inner main bearing cap bolts were not torqued properly. Based on data available to GM, vehicles involved in this field action may be at an increased risk of experiencing low engine oil pressure with warning, potentially causing engine damage. Dealers are to replace the engine.
PIP5358B
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
PIP5856
This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel.
22-NA-114
This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
22-NA-109
This informational bulletin provides information on Information on Common Customer Trailer Side Faults.
22-NA-110
THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber.
22-NA-111
This informational bulletin provides information on Information On Common Customer Trailer Side Faults.
PIT5912B
This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
N222362400
Certain vehicles may have a condition where the outside air button on the heating, ventilation, air conditioning (HVAC) control module faceplate does not function. Dealers will reprogram the HVAC control module.
PIP5854
This Preliminary information communicates the possibility of a poor clamp load on ignition coil ground G121/G178B due to the ground fastener being to long or potential issue with the threaded hole causing the fastener to bottom out before acheiving proper torque.
PIT5734E
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
PIP5855
This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated with Any Combination of DTCs P0011 P0014 P0016 P0017 Setting. Advises to perform Strategy Based Diagnosis and to replace the affected Camshaft Position Actuator Magnet as necessary.
PIT5912A
This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
PIT5918
This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.
2-NA-066
The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area.
14-06-04-004H
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
PIT5195G
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
PIE0695
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center (DIC).
PIT5745D
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.
PIE0697
This engineering information (EI) is requesting information from the technician and to perform the check list provided in regards to a Malfunction Indicator Lamp (MIL) illuminated on driver information center (DIC) with DTCs P26BB and/or P2B60 Set.
PIT5913
This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue
PIP5851
This Preliminary information communicates to technicians a replacement DEF tank may have been assembled with the incorrect harness.
PIT5912
This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
22-NA-046
This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC).
PIT5910
This Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep. Engineering working on a fix.
12-00-89-003B
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
PIT5909
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.
PIT5907
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint.
N222364701
Service Update. On certain vehicles, the steering gears may have been produced with a steering gear assist cover housing crack. Dealers are to inspect, and if necessary, replace the steering gear.
N222364701 01
Service Update. This bulletin has been revised to update the steering gear replacement labor time to include front toe alignment. Please discard all copies of N222364701. On certain vehicles, the steering gears may have been produced with a steering gear assist cover housing crack. Dealers are to inspect, and if necessary, replace the steering gear.
PIT5886A
This Preliminary information communicates an issue with the tailgate latch handle disengaging from the tailgate. Dealers are to remove the tailgate handle standoff brackets.
PIC5260E
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
01-00-89-010P
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
N222364700
Service Update. On certain vehicles, the steering gears may have been produced with a steering gear assist cover housing crack. Dealers are to inspect, and if necessary, replace the steering gear.
PIT3227R
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PI0281I
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
01-00-89-010O
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
PIP5847
This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.
PIT5906
This Preliminary information communicates to the Dealer that there is a known radio static concern. Engineering is aware, and is working on a resolution.
PIE0679A
This engineering information (EI) closure ends the need for further information from the field in regards to a Popping Noise Heard On Hard Turns and/or Going Over Speed Bumps, Creaking Noise While Turning Wheel Left and/or Right, Clicking Noise Heard On Slow Sharp Turns.
PIE0676A
This engineering information (EI) closure ends the need for further information from the field in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance.
22-NA-050
This service bulletin provides information for dealers/technicians on Changes to Front Heated and/or Ventilated Seats, and Second Row Outboard Heated Seats for Certain 2022 Passenger Car, Crossover, SUV, and Truck Models Equipped with RPO 00V, 00R and/or RGJ produced without front Heated/Ventilated Seat Module and/or rear Heated Seat Module.
22-NA-055
This technical bulletin provides repair information to correct a customer concern of 2022 Silverado and Sierra Exit Puddle Lighting Too Dim.
22-NA-066
The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area.
PIP4670J
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
PIE0685
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the lower oil pan seal area.
PIP5845
This Preliminary information communicates to the dealer technician that if the vehicle's engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic Transmission Fluid Cooling Exchanger. The dealer should refer to bulletin 08-07-30-035 for the recommended components that should be replaced in the transmission and to flush the engine cooling system following service information.
PIT5903
This Preliminary information communicates to General Motors dealers some helpful steps to diagnose the speed limit showing dashes concern.
04-06-04-051F
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
05-00-89-072E
This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
22-NA-062
2022 Chevrolet Silverado and GMC Sierra Light Duty Trucks RPO J22 New Features
PIP5844
This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressure immediately following engine oil and filter change due to oil filter and main oil gallery being drained or empty.
N222357790
Customer Satisfaction Program. Certain vehicles may have been built with the incorrect turn signal switch installed. Dealers are to inspect, and if necessary, replace the turn signal switch.
12-08-51-002N
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
22-NA-020
This warranty administration service bulletin provides warranty labor operation restriction information for dealers/technicians on Park Assist, Heated/Vented Seats, and/or Heated Steering Wheel Options and Features are Inoperative for vehicles that may have had options built without modules due to semiconductor shortage.
22-NA-029
This technical bulletin provides a procedure to install a new tonneau cover front seal.
PIT3271M
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT5734D
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
PIT5746B
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
22-NA-049
This informational bulletin provides information for dealers/technicians on Changes to Heated Steering Wheel for Certain 2022 Passenger Car, Crossover, SUV, and Truck Models Equipped with RPO 00G.
PIP5843
This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
PIT5750B
This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus.
PIT5876A
This Preliminary information communicates to GM dealeer that GM engineering is aware of and working on a solution to the map pop up concern
PIT5877A
This Preliminary information communicates to dealer that GM engineering is working on a permanent solution for the concern and provides a work around.
PIT5897
This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern.
PIE0679
Engineering Information.
PIP5840
This Preliminary information communicates to technicians to modify the camshaft housing cover insulator by removing the stand off identified in the attached pictures.
PIC6450
This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.
21NA182
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values.
N212355910
Customer Satisfaction Program - Certain vehicles may have a condition where if the driver enables the passive door lock feature and a passive door locking event occurs after occupant(s) exit the vehicle with the key fob, the front and rear turn signals may turn on and remain lit. Both turn signal/hazard indicators on the instrument cluster may also turn on and temporarily remain lit. The resulting battery drain may cause a discharged or dead battery. Dealers are to reprogram the body control module.
PIT5745C
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.
PIT5747B
This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues.
PIT5895
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
PIP5653M
This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.
PIT5733B
This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
N212354510
Service Update. On certain vehicles, the driver seat memory adjustment function may be inoperable. Dealers are to reprogram the seat memory control module â driver.
21NA135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
21NA228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
PIT3271L
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
21NA219
This informational bulletin provides information for dealers/technicians on an elevated idle feature.
22NA027
This technical bulletin advises to replace the camshaft cover if found with in the Julian date and the cause of the customers concern.
060089029U
Information.
090604026V
Information.
21NA149
This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.
22NA022
This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not.
N212354950
Certain 2022 model year Chevrolet Silverado and GMC Sierra vehicles not equipped with front/rear park assist may have an inadvertent Service Park Assist message displayed on the Drivers Instrument Cluster when the vehicle is started.
N222357620
Certain vehicles not equipped with front/rear park assist may have an inadvertent Service Park Assist message displayed on the Driverâs Instrument Cluster when the vehicle is started. Dealers are to reprogram the instrument cluster.
PIT5884A
This Preliminary information communicates an issue with a Service Park Assist message being displayed on trucks without park assist. Dealers are to reprogram the IPC to correct the issue.
22NA021
This informational bulletin advises the tech of a possible loose bolts at the turbo actuator and to replace turbo if the bolts have been found loose.
PIP5653L
This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.
080089014G
This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
21NA095
This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
22NA015
This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.
22NA018
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
990089019W
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
070601016G
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
150089004D
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
18NA067
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
22NA020
This service bulletin provides warranty labor operation restriction information for dealers/technicians on Park Assist, Heated/Vented Seats, and/or Heated Steering Wheel Options and Features are Inoperative.
PI0653F
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
PIP5791A
This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root causing the P2B60.
PIP5808A
This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM.
16NA361
This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.
PIP5817A
This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. Testing to isolate the noise to the upper engine / valve train and repair recommendations related to valve train components.
PIT5734C
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
PIT5883B
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
20NA090
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
PIE0676
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance.
PIT4322M
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
18NA235
This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns.
19NA188
The informational bulletin explains the normal noises that are emitted from the engine once the engine is turned off.
PIT5886
This Preliminary information communicates an issue with the tailgate latch handle disengaging from the tailgate. Dealers are to remove the tailgate handle standoff brackets.
18NA103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
18NA073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
22NA012
This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
PIP4902P
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT5386G
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5479E
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
PIT5481G
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
PIT5883A
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
PIP4723F
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIP5632F
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT5744B
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
19NA263
This informational bulletin explains a normal condition for sludge to form in the oil cap when equipped with DEF system.
20NA110
This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.
PIT5849E
This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle. This condition can lead to a dead battery. GM Engineering has released a fix and dealers are to reprogram the BCM per Customer Satisfaction Program N212344990.
PIT5884
This Preliminary information communicates an issue with a Service Park Assist message being displayed on trucks without park assist. Dealers are to reprogram the IPC to correct the issue.
19NA187
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
PIE0659A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service 4WD message displayed on the driver information center (DIC).
PIT5881A
This Preliminary information communicates an issue where the radio display will show a green spot in the front camera or the rear camera view when shifting to reverse. The PI informs the customer that engineering is aware of the concern and is working on a solution.
PIT5883
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
22NA009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
070316004D
This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
19NA237
This informational bulletin explains how to identify possible DEF contamination.
030604017P
This service bulletin provides information on availability of Diesel Fuel additives.
18NA150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
16NA244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
PIT5697B
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5702C
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
100605002J
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
000090002L
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
050604022S
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
1308116001G
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
19NA218
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
PIP5832
This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.
20NA166
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
PIT5828A
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
PIT5849D
This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle. This condition can lead to a dead battery. GM Engineering has released a fix and dealers are to reprogram the BCM per Customer Satisfaction Program N212344990.
PIT5871
This Preliminary information communicates an issue with the IPC incorrectly listing Sport mode as a selection and engineering is working on a fix to remove it.
21NA271
TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern.
21NA272
This service bulletin provides information on Engine Oil Consumption Guidelines.
21NA257
This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set.
030310007K
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
19NA104
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
030091001H
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
PIT5448G
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
070842006Q
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
PIT5752B
This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.
PIT5387K
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
PIT5662F
This Preliminary information communicates information to diagnose DTC C056D or C056E.
PIT5743A
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
PIT3099U
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
20NA132
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
PIT5849
This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle. This condition can lead to a dead battery. GM Engineering is working on a fix. Because this condition only occurs if passive locking is used please turn off passive locking in vehicle settings until a fix is released.
PIT5509H
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIC5650J
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIT5698B
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
21NA152
This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.
010842001N
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
110089002E
This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
070089036J
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.