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.
N242452131-02
Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2023-2024 model year Chevrolet Colorado / Silverado 1500 and GMC Canyon / Sierra 1500 vehicles equipped with a 2.7L engine (RPO L3B). The Engine Control Module (ECM) may not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
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.
PIT6529B
This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
PIC6551C
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
N242452130-01
Certain vehicles may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
PIT6110K
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIP6060A
This PI communicates diagnostic information to assist Technicians with a possible transmission shudder
PIT6300C
This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration/ from the passenger side when the vehicle is under light load, with a 3.0L LZ0 Engine. It also addresses the potential for a slow/no crank or not charging.
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.
PIT6529A
This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
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.
PIT6531
This preliminary information communicates an issue with aftermarket LED lighting causing false front park assist alerts and dealers are to install the factory lighting before performing any in depth diagnostics.
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.
PIT6529
This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
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.
PIP6118
This PI shares with Technician that a DTC may occur P2002 LZ0 After OTA Update N25-251385
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.
PIC6540J
This Preliminary information communicates to dealers a procedure to reset the radio.
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.
PIC6423A
Pi created to provide GM dealers with information on gathering information for projection issue
PIC6540H
This Preliminary information communicates to dealers a procedure to reset the radio.
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
PIC6540G
This Preliminary information communicates to dealers a procedure to reset the radio.
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
661.30
• Fixes to help extend coolant valve life through diagnostic changes.
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
N25-250552
Improvements to OnStar functionality.
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.
PIT6110J
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
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.
PIT6300B
This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration from the passenger side when the vehicle is under light load, with a 3.0L LZ0 Engine.
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.
PIT6120C
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.
PIC6602R
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6456C
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
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.
PIT6456B
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
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
PIT6456A
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
PIP6023D
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
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
PIT6457B
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
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.
PIC6540F
This Preliminary information communicates to dealers a procedure to reset the radio.
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.
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
PIT6457A
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
654.10
• Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display. 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.
PIT6224B
This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits, or low fuel range and vehicle is idling.
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.
PIT6457
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
PIT6456
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
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.
PIT6435
This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
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
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.
652.50
• Fixes to address reduced propulsion 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.
PIP6068C
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
N252508340
Certain vehicles may have a condition that could cause the engine coolant control valve to fail. 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 coolant control valve as necessary. The repairs will be made at no charge to the customer.
PIP6083A
This preliminary information informs the dealer of an engine no start issue that may be the result of a failed ECM update. Dealers are instructed to attempt ECM programming and replacement if needed.
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.
PIT6432
This preliminary information communicates an issue with an SES MIL and reduced power steering, and brake assist that engineering is working on a fix.
N252510320
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.
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.
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.
PIP6083
This preliminary information informs the dealer of an engine no start issue that may be the result of a failed ECM update. Dealers are instructed to attempt ECM programming and replacement if needed.
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.
PIT6110H
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
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.
N25-250307
GM Update N25-250307 • Updates to reduce erroneous engine alerts. • Improvements to accuracy of alerts. 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.
N25-250403
• Improves Check Engine Light accuracy. • Improves behavior of aero shutter system in freezing temperatures. 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.
N25-251032
GM Update N25-251032 • Improvements to low oil pressure message. 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.
N25-F163BU
This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. 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.
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.
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.
PIP6023C
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
N242435630-05
Customer Satisfaction Program. Certain model years and vehicle makes noted in the table above 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.
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.
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.
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
PIT6101S
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
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.
PIT6336B
This Preliminary information communicates an issue with unwanted opening of the sunroof and dealership are to replace the overhead console.
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.
PIT6110G
This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently investigating.
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.
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.
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.
PIP6060
This Preliminary information communicates to technicians diagnostics for 8 speed transmission shudders caused by a potential engine concern and/or a possible faulty HO2S sensor 1
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.
PIT6101R
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
PIE0832
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC).
PIT6056A
This Preliminary information communicates how to erase a DTC that is falsely setting due to a software concern with the Image Processing Module
25-NA-099
This bulletin advises the tech to refer to a procedure in SI to aid in diagnosing a possible wiring concern.
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.
PIT6110F
This Preliminary information communicates an issue with the SES MIL and DTC P062B /P060C and engineering is currently investigating.
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.
PIC6552E
This Preliminary information communicates how to recover the Image Processing Module.
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.
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.
07-00-89-037W
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIP6023B
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
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.
PIT6101Q
This Preliminary information communicates Engineering is investigating a no audio issue.
PIP6023A
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
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.
PIT6101P
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
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.
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
PIT6110E
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIT6101N
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
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.
PIT6336A
This Preliminary information communicates an issue with unwanted opening of the sunroof. GM engineering is working on a design improvement, but in the meantime the sunroof will be disabled by removing its fuse.
N24-245213
Certain 2023-2024 model year Chevrolet Colorado / Silverado 1500 and GMC Canyon / 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. N242452130 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.
N242452130
Service Update. Certain vehicles listed above may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
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.
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.
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.
PIT6334
This Preliminary information communicates if a customer and service tech encounter this concern, it will be fixed with a software update and the vehicle can still be driven in the meantime.
07-00-89-037V
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
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.
PIT6336
This Preliminary information communicates an issue with unwanted opening of the sunroof. GM engineering is working on a design improvement, but in the meantime the sunroof will be disabled by removing its fuse.
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.
24-NA-048
This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
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.
10-08-110-001L
This service bulletin provides information on proper use of floor mats.
PIP5982A
This Preliminary information communicates the possibility of poor heater performance or no heat in the passenger compartment of the vehicle
PIT6329
This Preliminary information communicates an issue with reduced coolant flow through the heater core degrading the heater performance of the HVAC system.
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.
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.
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.
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.
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.
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.
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.
PIT6300
This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration from the passenger side when the vehicle is under light load, with a 3.0L LZ0 Engine.
PIC6552D
This Preliminary information communicates how to recover the Image Processing Module.
PIC6587
This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.
PIT5962B
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIT6101M
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
24-NA-264
This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
22-NA-238
This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
24-NA-261
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 – Multiple Updates for IOK.
19-NA-219
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
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.
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.
PIE0800A
This engineering information (EI) closure ends the need for requesting further information from technicians in regard to having the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC).
PIP6023
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
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.
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.
PIT6192B
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
PIT6209C
This Preliminary information communicates recovery procedure after return to dealer message.
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.
24-NA-239
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
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.
PIT6101L
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
PIT6101K
This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6120A
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation instructions for the 9L7 Upfitter Switches.
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.
PIP6018
This Preliminary information communicates to technicians inspection for an incorrectly machined fluid passage in the valve body causing DTC P0841.
PIT6101J
This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6110D
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is working on a fix.
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.
PIT6209B
This Preliminary information communicates recovery procedure after return to dealer message.
PIT6241B
This Preliminary information communicates to GM dealers there is a concern with a noise on phone calls and the concern is being researched.
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.
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-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.
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.
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.
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).
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.
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.
01-06-01-011Q
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
22-NA-244
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
22-NA-053
This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
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.
PIT6241A
This Preliminary information communicates to GM dealers there is a concern with a noise on phone calls and the concern is being researched
07-00-89-037T
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
22-NA-096
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
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-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.
23-NA-219
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
N242435630-04
Customer Satisfaction Program - 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.
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.
21-NA-166
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
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-027
This service bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable.
24-NA-088
This service bulletin provides diagnostic information for technicians on possible replacement of transmission control valve bodies to correct customer concerns of Malfunction Indicator Lamp (MIL) Illuminated, Transmission Not Shifting/Default Mode - DTC P0747 Set.
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.
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.
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.
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.
PIT6224
This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits.
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.
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-210
This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when reset and to clear the codes and validate code does not set again.
N242435631-03
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.
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.
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.
PIT6101H
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
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.
PIT6192A
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
PIT6209
This Preliminary information communicates recovery procedure after return to dealer message.
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).
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.
PIT6101G
This Preliminary information communicates Engineering is investigating a no audio issue.
24-NA-103
This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the urethane seal.
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.
PIT6073C
This Preliminary information communicates an issue with the front heated seat on indicators being inoperative, but the heated seats work.
PIT6134B
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
24-NA-078
This bulletin advises the tech to replace the starter and not the trans if grinding or growling is heard from the transmission area.
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.
PIT5851E
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
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.
24-NA-139
This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.
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.
24-NA-164
This bulletin provides information on Wiper Blade Maintenance Tips.
N242441450
Service Update. On certain vehicles listed above, the vehicle may not re-start after an auto stop event. Dealers will reprogram the engine control module.
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.
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.
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.
PIT6110B
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is working on a fix.
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.
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.
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.
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.
PIT6101E
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
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.
24-NA-144
Informational bulletin on Information on Paper Owners Manual for US Territories and Puerto Rico.
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.
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.
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.
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.
24-NA-117
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 – Multiple Updates for IOK.
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.
16-NA-019
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
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.
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.
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-120
Information on Malfunction Indicator Lamp (MIL) Illuminated - Multiple DTCs Set.
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.
PIE0791B
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Check Engine Lamp illuminated on DIC, and having DTCs P0202, P0203 Set.
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.
24-NA-063
This service bulletin provides repair information to correct a customer concern of a Service Drivers Assist Message Illuminated in DIC with DTC B2BA1 Set.
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.
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.
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.
PIE0791A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTCs P0202, P0203 Set.
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.
PIE0791
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTC’s P0202, P0203 Set.
24-NA-090
This technical bulletin provides repair information to correct a customer concern of SuperCruise Unavailable – No road Info: Road Expansion.
PIE0781B
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC) and refer to PIP5865 for further diagnosis.
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.
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.
PIE0781A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC).
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.
PIT6110A
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is working on a fix.
N232413430
Customer Satisfaction Program - Certain vehicles may have a condition in which the engine lifter bores may be oversized. Dealers are to replace the engine.
00-03-10-006P
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
22-NA-038
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
24-NA-070
This bulletin provides a procedure to program the ECM if the DTC is set and/or the start/stop doesn't restart after a stop.
N232415060-01
Customer Satisfaction Program - Certain vehicles may have a condition in which the engine block was produced with cracks. Dealers are to replace the engine.
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.
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.
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.
PIT6101D
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
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.
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.
PIT6134
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIE0771A
This engineering information (EI Lite) closure ends the need to gather information from technicians using the FPR App in regard to the lower oil pan leaking oil.
N232409730
Customer Satisfaction Program: Certain vehicles may have pinion gears that have low core and surface hardness. Dealers are to replace the transmission.
PIE0770A
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC).
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.
23-NA-170
This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.
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).
24-NA-046
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
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.
PIT6101C
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
PIT6101B
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
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.
17-NA-073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
PIE0781
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC).
PIP5968
This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.
PIT6101A
This Preliminary information communicates Engineering is investigating a no audio issue.
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.
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.
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.
N232415060
Customer Satisfaction Program - Certain vehicles may have a condition in which the engine block was produced with cracks. Dealers are to replace the engine.
PIT6054B
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.
20-NA-018
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
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.
PIC6486D
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
24-NA-030
This informational bulletin provides information on when the customer engage SuperCruise, their vehicle will immediately veer to the left and center itself on the left-hand lane line. During normal driving and/or if normal/adaptive cruise is used a pull may not be noticed.
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.
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.
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.
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-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.
N232409842
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.
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.
PIT6109
This Preliminary information communicates an issue where the minor tailgate step link can contact the painted surface and chip the paint on the tailgate. Dealers are to adjust the step link bracket to provide clearance between the link and painted surface to prevent contact with the painted surface.
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."
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.
PIT6028A
This Preliminary information communicates information on a blank or inoperative Instrument Panel Cluster with repair information on reprogramming the Cluster to correct the concern.
PIT6107A
This Preliminary information communicates that GM is aware of and working on the audio issue.
N232415790
Service Update. Certain vehicles may be missing the provisioning for the graphics processor on the instrument cluster. Dealers are to replace the instrument cluster.
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
N232427950
Emissions Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles with a 2.7L engine. Under certain driving conditions, due to differences in flow rate characteristics, the fuel injectors may not be able to properly optimize engine fueling for emissions purposes. Dealers will replace the engineâs four fuel injectors.
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.
PIE0760A
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to having the Check Engine Lamp illuminated on Driver Information Center (DIC) with DTCs P0671, P0672, P0673, P0674, P0675, and P0676 Set.
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.
PIT5962A
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
23-NA-071
This service bulletin provides repair information for an Engine Control Module Service Update to correct a customer concern of a MIL Illuminated in DIC with DTCs Set.
N232417460
Customer Satisfaction Program. Certain vehicles may have a condition in which the transmission case is out of specification. Dealers are to replace the transmission.
PIE0770
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards he Check Engine Lamp illuminated on the Driver Information Center (DIC).
PIT6097B
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
PIE0771
This engineering information (EI Lite) is requesting information from technicians using the FPR App, taking pictures and contacting the engineer listed in regard to the lower oil pan leaking oil.
PIT6101
This Preliminary information communicates Engineering is investigating a no audio issue
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.
PIT5832K
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
N232425900
Customer Satisfaction Program - Certain vehicles may have a condition in which the Electronic Park Brake does not auto release with Service 4WD message. Dealers are to reprogram the Transfer Case Control Module.
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".
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.
20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
23-NA-193
This technical bulletin provides repair information to correct a customer concern of Vehicles Setting DTCs P20EE, P22FE, P2C7A, P2EAD, P20FE, P2203, P22FB, P2459, P049D, P0300, and/or P1C30.
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.
PIT6073A
This Preliminary information communicates an issue with the front heated seat on indicators being inoperative, but the heated seats work.
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.
PIT6073
This Preliminary information communicates an issue with the front heated seat on indicators being inoperative, but the heated seats work.
23-NA-148
This technical bulletin provides a procedure to correct the condition of Missing French Translation Label on Fuel Cap.
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.
PIT6070A
This Preliminary information communicates technicians are to use SPS2 in TLC to reflash the modules listed above that are not communicating.
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).
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.
N232403190
Service Update. Certain vehicles may have a condition where the customer experiences intermittent MILs and warnings, engine no starts / no restart from auto-stop, or irregular cooling fan operation. Dealers are to inspect, and if necessary, rethread the bolt hole and reinstall ground.
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.
PIE0760
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to having the Check Engine Lamp illuminated on Driver Information Center (DIC).
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.
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".
PIT6054
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.
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.
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.
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.
N23-240984
'(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 the overall vehicle software update process. - Updates made to improve the Adaptive Cruise Control functionality. - Updates to improve the network connectivity during an emergency call. - A variety of other minor software updates to make your driving and in-vehicle experience better.â Better Never Stopsâ¢
23-NA-138
This informational bulletin advises the tech the possible causes of the DTCs that set and how to maintenance the issue.
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.
N23-239807
Your Vehicle keeps getting better. A vehicle software update is ready for you to install. This update includes the following if your vehicle is equipped: Refinements: â¢Improvements made to Google Built-in features (Google Assistant and Google Maps) â¢A variety of software improvements were made to make your in-vehicle driving experience better. Enjoy this update. Better Never Stops.
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: ââ- Updates made to the overall vehicle software update processâ. Better Never Stopsâ¢
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.
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.
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.
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.
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.
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.
17-NA-066
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
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.
22-NA-080
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
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.
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.
PIT6040
This Preliminary information communicates an issue where the aux switch "on" LED indicators do not illuminate within the aux switch if more than one aux switch is turned on. The aux switches do work regardless of how many are turned on, but the "on" LED indicator will only be illuminated in which ever aux switch is first pressed. Dealers are to reprogram the BCM to correct this concern.
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.
N232403290
Service Update - Certain vehicles may have a condition in which the incorrect thrust washer was installed in the transmission input carrier. Dealers are to replace the transmission.
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.
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.
22-NA-242
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
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.
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.
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.
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.
PIT6028
This Preliminary information communicates information on a blank or inoperative Instrument Panel Cluster with repair information on reprogramming the Cluster to correct the concern.
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).
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.
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.
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.
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.
N222392670
Service Update. Certain vehicles may have a condition where the transmission reaction carrier (an internal component) may have been damaged during assembly. Dealers are to replace the transmission.
N232395830
Customer Satisfaction Program - Certain vehicles may have a condition in which the overhead camshaft ladder assembly was mis-built and installed on the engine. Dealers will replace the engine.
N232397070
Service Update - Certain vehicles may have a condition in which the vehicle has the incorrect endgate cable installed. Dealers are to replace the endgate cable.
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.
N222385490-01
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the DC/AC inverter which operates the power outlets (110/220V) is not functional on certain 2023 model year vehicles listed above, built beginning September 23, 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 install the accessory AC and DC power control module, install fuse, and reprogram the body control module (BCM).
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
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.
N232397530
Service Update. On certain vehicles, the side blind zone alert (SBZA) modules may have been installed on the wrong side of the rear bumper. Dealers are to ensure the modules are in the correct location.
04-00-89-015Z
This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
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.
PIP5874C
This Preliminary information communicates that the exhaust backpressure valve is on a parts restriction..
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.
23-NA-069
This informational bulletin provides information for dealers/technicians on T1xx IOR Radio Wireless CarPlay Settings.
N222385490
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the DC/AC inverter which operates the power outlets (110/220V) is not functional on certain 2023 model year vehicles listed above, built beginning September 23, 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 install the accessory AC and DC power control module, install fuse, and reprogram the body control module (BCM).
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.
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).
23-NA-063
This technical bulletin provides a procedure to clear out some crystals that may have formed in the DPF at freezing temperatures and how to clean out said debris.
PIT5999
This Preliminary information communicates to dealers GM is aware of the issue and working on a resolution
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).
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.
N232399010-01
Service Update Revision: Certain vehicles may experience an intermittent loss of communication with the Transmission Control Module (TCM). 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. Dealers will perform a TCM module reprogramming.
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-024
This technical bulletin provides a procedure to remove and re-install the fuse to reset the TCM to correct the customer's concern.
N222391510
Customer Satisfaction Program - certain vehicles, may have a body harness that is missing various circuits. Dealers are to replace the body harness circuits with a VIN specific harness.
PIP5876A
This Preliminary information communicates that the E66 ECM has now ended.
PIP5912
This Preliminary information communicates to technicians engineering is working to determine the root cause and not to attempt repairs unless the concern can be duplicated.
23-NA-038
This technical bulletin provides a procedure to perform a transmission service quick learn if found that the OTA update was done and reset all the values that may cause the customers concern.
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.
23-NA-042
This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
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).
PIE0738A
This engineering information (EI) closure ends the need for further information from technicians in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC).
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.
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).
PIT5991
This Preliminary information communicates to the dealer technicians that engineering is aware of this concern and are identifying the root cause and will update this PI when a remedy is available. The technicians are not to replace any parts for the time being till a rememdy is available.
N232399010
Service Update- Certain vehicles may experience an intermittent loss of communication with the Transmission Control Module (TCM). 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. Dealers will perform a TCM module reprogramming.
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.
PIP5879B
This Preliminary information communicates that the exhaust aftertreatment catalytic converter assemble w/filter is on a parts restriction.
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.
PIE0738
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC).
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.
PIT5883H
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
18-NA-263
This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
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.
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.
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.
PIP5874B
This Preliminary information communicates that the exhaust backpressure valve is on a parts restriction..
PIP5879A
This Preliminary information communicates that the exhaust aftertreatment catalytic converter assemble w/filter is on a parts restriction.
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.
PIT5980
This Preliminary information communicates an issue with the IPC displaying a Service IPC message, and DTC U3000 set in the IPC. All IPC function still operate normally even when the message is displayed. Dealers are to reprogram the IPC to correct this issue.
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.
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.
PIP5891C
This Preliminary information communicates an engineering investigation for injector caused misfires.
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.
PIP5875A
This Preliminary information communicates the end of the diesel exhaust fluid injector part restriction.
PIP5877A
This Preliminary information communicates that the NOx sensors are no longer on parts restriction.
PIP5878A
This Preliminary information communicates that the exhaust particulate matter sensor is on a parts restriction.
PIP5886A
This Preliminary information communicates that the EGT sensors are no longer on a parts restriction.
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).
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.
PIT5912F
This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
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.
PIP5873A
This Preliminary information communicated to the dealer of an exchange program that was placed on the 3.0L LZ0 engine in the 2023 Siverado and Sierra but has ended as of 1/10/2023
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.
PIP5874A
This Preliminary information communicates that the exhaust backpressure valve is on a parts restriction.
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.
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.
PIP5893
This Preliminary information communicates that improper installation of the valve body may cause an unawanted Service Transmission message with no DTC'S.
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.
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.
PIT5746C
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
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".
PIP5891A
This Preliminary information communicates an engineering investigation for injector caused misfires.
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.
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.
22-NA-230
This informational bulletin provides information on Information on Order/Content Change: Wireless Phone Charging.
22-NA-231
This Warranty Bulletin provides information on Warranty Administration â Restricted Labor Operations on Vehicles Built Without a DC/AC Inverter.
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.
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.
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.
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.
22-NA-218
This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
PIT5956
This Preliminary information communicates a work around to program transmitters that were deleted from the vehicle or a BCM replacement.
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.
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.
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.
PIP5886
This Preliminary information communicates that the EGT sensors are on a parts restriction.
PIP5874
This Preliminary information communicates that the exhaust backpressure valve is on a parts restriction.
PIP5875
This Preliminary information communicates that the diesel exhaust fluid injector is on a parts restriction.
PIP5876
This Preliminary information communicates that the E66 ECM is on a parts restriction.
PIP5877
This Preliminary information communicates that the NOx sensors are on a parts restriction.
PIP5878
This Preliminary information communicates that the exhaust particulate matter sensor is on a parts restriction.
PIP5879
This Preliminary information communicates that the exhaust aftertreatment catalytic converter assemble w/filter is on a parts restriction.
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."
10-00-89-006I
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
PIP5873
This Preliminary information communicates to the dealer of an exchange program that was placed on the 3.0L LZ0 engine in the 2023 Siverado and Sierra.
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.
99-00-89-019X
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
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).
22-NA-195
This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.
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.
22-NA-192
This informational bulletin advises the tech on how to check the oil on the new vehicles.
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).
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.
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.
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.
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).
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-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.
11-00-89-005T
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
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.
22-NA-161
This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
N222379650
Stop Delivery Order for N222379650 â Hood Insulator Build Shy
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.
PIT5926A
This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield.
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.