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.
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.
N232428992
General Motors has decided to conduct a Voluntary Emission Recall involving certain 2024 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. These vehicles may have a Brake System Control Module (BSCM) that does not correctly set a Diagnostic Trouble Code (DTC) or illuminate the Malfunction Indicator Lamp (Check Engine Light) if certain system faults with the potential to affect the vehicle’s emissions control system were to occur. Dashboard warning messages and warning lights for traction control, stability control, and brake system would remain functional in the event that a fault that could potentially impact drivability is detected. Dealers are to reprogram the BSCM.
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.
PIT6529B
This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
PIT6541
This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
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.
N252519860
Certain vehicles listed above may have a condition in which the vehicle may shift out of park without key fob inside vehicle while in "Protected Idle" Mode. Dealers will update the BCM software. 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.
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.
662.10
• Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.
PIT6006D
This Preliminary information communicates where to find the back antenna for learning new key fobs.
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.
661.42
• If you are equipped with Diesel engine then: Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.
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
661.51
• Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Fixes for speed threshold for pedestrian alerts. • Improvements to start reliability and reduced check engine light activation. • Improvements to turbo system diagnostics. • Improvements to reliability when extending the running boards on your vehicle.
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.
PIT6477C
This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool
PIT6503A
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
PIT6209K
This Preliminary information communicates recovery procedure after return to dealer message.
PIP6119
A dealer may encounter multiple DTCs when a B65 Manifold Absolute Pressure/Intake Air Temperature Sensor fails. Diagnostics may be misleading but if the Fuel Rail Temperature has the 419 degrees displayed this PI will assist with repairs.
PIT6519
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
PIP6115
The document advise technicians after an engine repair involving removal of the camshaft actuators, the vehicle may set p1101 P0172 and or stalls when taken off idle. The technician is instructed to verify the intake and exhaust camshaft actuators are installed onto the correct camshafts.
PIC6602X
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6209J
This Preliminary information communicates recovery procedure after return to dealer message.
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.
PIT6393L
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
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.
661.41
• Improvements to driver display information for Diesel Exhaust Fluid (DEF) range including drivable range in miles, low DEF warnings, and maximum speed warnings. • Improvements to start reliability and reduced check engine light activation. • Improvements to turbo system diagnostics. • Improvements to reliability when extending the running boards on your vehicle.
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
PIT6512
This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
PIT6513
This PI states that if SDGM DTC U3000 Sym 49 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
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.
PIC6566C
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
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.
PIT6247B
This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
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.
PIT6393K
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
PIC6629D
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIT6017B
This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
PIT6503
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
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
PIT6244A
This Preliminary information communicates how the left lower corner of the DIC is dual purpose and when vehicle is first started it displays the rear passenger seatbelt indicators and then after a short drive it will change and show the four-wheel drive indicator.
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
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.
PIT6060B
This PI addresses certain trailering features that may fail to calibrate due to a software issue within the video processing module. To resolve this condition, dealerships are to reprogram the video processing module with the updated software.
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.
PIC6591D
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
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.
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
PIT6475
This Preliminary information communicates to the field about The NFC key card not being available on the listed models listed in the PI
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.
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.
PIC6566B
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.
PIT6315A
This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for information on installing the Universal Vehicle Module.
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.
654.20
• 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.
PIT6393G
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
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.
PIC6629A
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
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
PIP6091
PIP6091 was created to advise technicians engineering is aware of a misfire during a passing maneuver is being investigated.
PIC6602M
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
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.
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.
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.
PIT6406B
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT6440
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
PIP6068C
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
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.
PIT6053C
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
22-NA-080
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
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.
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.
25-NA-170
This service bulletin provides a repair procedure to correct a customer concern of Loss of Air Conditioning, Weak Cooling, and/or Warm Air Coming from Vents.
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.
N25-250380
Software Update for your 24MY Chevrolet Silverado / GMC Sierra: * Improvements to software performance. * Fixes for audio system performance. * Improvements to connectivity for Bluetooth. * Fixes to help ensure successful software updates and notifications. * Fixes to address instances of inactive driver display. * Improvements to functionality for USB and steering wheel controls. 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.
N25-250552
• Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification. • Fixes to address connectivity issues. 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.
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.
PIT6006C
This Preliminary information communicates where to find the back antenna for learning new key fobs.
PIT6247A
This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
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.
PIT6212D
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.
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.
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.
N242452140-01
Updated message, additional 2025 model year VINs added to population.
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.
PIP6069
This P/I advises to replace the valve body, not the TCM, for DTCs P1787, P27EC, P187E and/or P18A1 on vehicles equipped with an ETRS trans assembly.
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.
N242483540-01
Certain vehicles listed above may have a condition in which the transmission may not shift properly. Dealers are to replace the transmission check balls and valve body spacer plate.
22-NA-161
This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
PIT6076C
This Preliminary information communicates that you may notice a black screen on their radio display. This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
22-NA-182
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
23-NA-170
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
23-NA-153
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
N232427510-02
Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
PIC6602B
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
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.
25-NA-119
This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
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-014
This 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.
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.
PIP5946A
This Preliminary Information communication advises the technician on the steps to locate a possible poor terminal connection or backed out terminal at the transmission connector.
PIT6101R
This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6300A
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.
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.
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.
PIT6212C
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.
N25-250520
Software Update for your 25MY Chevrolet Silverado / GMC Sierra: • Enables the active cabin ventilation feature. • When windows are remotely lowered using the key fob, the HVAC blower will turn on. 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.
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
22-NA-242
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
23-NA-097
This service bulletin provides a procedure to correct a customer concern of Upper Glove Box Door does not Open when the Button is Depressed or Takes Multiple Presses to Open.
25-NA-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.
25-NA-090
This bulletin provides a procedure to install an exhaust donut if found the cause of the back pressure after the heavy acceleration.
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.
25-NA-095
This bulletin provides information of possible fuel injector harness electrical connector terminal having low tension creating the customers concern of a MIL Illuminated with Multiple Circuit DTCs set.
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.
21-NA-166
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
24-NA-139
This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp (MIL) Illuminated – DTC P023F or P129F Set.
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".
24-NA-094
This technical bulletin provides repair information to correct a customer concern of LZ0 Engine Control Module Update.
PIT6367
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
24-NA-229
This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
25-NA-091
This bulletin provides a procedure to program the TCM if found the cause of a customers concern of shudder, shake, or misfire while driving between 25 to 60 MPH (40 to 97 KPH.
07-00-89-037W
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIE0811B
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to having the Service Engine Soon, Service Emission System, and/or Service Exhaust Fluid System Message on Driver Information Center.
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.
N242483540
Certain vehicles may have a condition in which the transmission may not shift properly. Dealers are to replace the transmission check balls and valve body spacer plate.
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.
PIT6076B
This Preliminary information communicates that you may notice a black screen on their radio display. This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
22-NA-096
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
25-NA-076
This informational bulletin advises the technician that the gasket for the timing chain tensioner is not required.
PIT6053B
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
PIT6209G
This Preliminary information communicates recovery procedure after return to dealer message.
07-08-42-006T
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
25-NA-052
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
PIP6049A
This Preliminary information communicates a diagnostic aid to install dye to the trans fluid to isolate the leak prior to attempting repair.
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.
24-NA-098
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
25-NA-065
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
24-NA-164
This bulletin provides information on Wiper Blade Maintenance Tips.
PIE0821
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC), DTC P060C Set.
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.
PIP6049
This Preliminary information communicates a diagnostic aid to install dye to the trans fluid to isolate the leak prior to attempting repair.
23-NA-073
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
15-06-03-001F
This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
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).
PIT6206A
This Preliminary information communicates a Diagnostic Tip for a Rattle/Squeak/Creak/Squawk/Itch/Rub Type Noise Heard From The Dash I/P or Center Console Area. Dealers are to inspect the bank 1 sensor 1 O2 sensor connector to make sure it is properly installed in its retainer.
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.
17-NA-073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
24-NA-046
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
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.
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).
PIT5734H
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.
PIT6209F
This Preliminary information communicates recovery procedure after return to dealer message.
05-08-51-001L
This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
19-NA-129
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
PIP5358D
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
PIT5895D
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
22-NA-068
This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
16-NA-109
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
PIP6008D
This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
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.
N23-242899
Certain vehicles may have a Brake System Control Module (BSCM) that does not correctly set a Diagnostic Trouble Code (DTC) or illuminate the Malfunction Indicator Lamp (Check Engine Light) if certain system faults with the potential to affect the vehicle’s emissions control system were to occur. Dashboard warning messages and warning lights for traction control, stability control, and brake system would remain functional in the event that a fault that could potentially impact drivability is detected. This update will complete the remedy for GM Recall No. N232428991 and no additional steps are needed after a successful update. You will also receive a letter providing additional details regarding this issue. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
23-NA-102
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
PIT5986C
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
PIT6105C
This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
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.
24-NA-264
This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
16-NA-019
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
PIT6132B
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
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.
N232428991
Certain vehicles may have a Brake System Control Module (BSCM) that does not correctly set a Diagnostic Trouble Code (DTC) or illuminate the Malfunction Indicator Lamp (Check Engine Light) if certain system faults with the potential to affect the vehicle’s emissions control system were to occur. Dashboard warning messages and warning lights for traction control, stability control, and brake system would remain functional in the event that a fault that could potentially impact drivability is detected. Dealers are to reprogram the BSCM.
19-NA-257
This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.
20-NA-175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.
10-08-110-001L
This service bulletin provides information on proper use of floor mats.
21-NA-043
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
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.
22-NA-074
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
22-NA-244
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
24-NA-261
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 – Multiple Updates for IOK.
PIT5689K
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
21-NA-135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
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.
PIE0811A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to having the Service Engine Soon, Service Emission System, and/or Service Exhaust Fluid System Message on Driver Information Center.
21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
24-NA-239
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
24-NA-173
This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil pump for a sticking valve that may cause the MIL to illuminate.
09-06-04-026Z
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
22-NA-218
This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
PIE0811
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to having the Service Engine Soon, Service Emission System, and/or Service Exhaust Fluid System Message on Driver Information Center.
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.
PIT6315
This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for information on installing the Universal Vehicle Module.
20-NA-166
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
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.
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.
PIE0803A
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to having Malfunction Indicator Lamp illuminated on Driver Information Center (DIC), vehicle may not start but does Crank and/or Randomly Stalling.
PIT6265B
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
18-NA-263
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
22-NA-038
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
22-NA-053
This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
PIT5985G
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT5832S
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
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.
PIT6142D
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive theme at times or the digital speedometer display is missing at times. Reprogram the Cluster to correct.
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.
N242478260-01
Service Update. Certain vehicles may have a condition in which the steering gear motor bolts may be loose on steering gear assemblies. Dealers will inspect, and if necessary, replace the electric belt drive rack and pinion steering gear, and reprogram the power steering control module.
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.
N242453430
Certain models listed above may have a condition in which the front camera module is inoperative after sitting in cold weather. Dealers will replace the front camera module.
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-259
This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
22-NA-238
This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
N242478260
Service Update. Certain vehicles may have a condition in which the steering gear motor bolts may be loose on steering gear assemblies. Dealers will inspect, and if necessary, replace the electric belt drive rack and pinion steering gear, and reprogram the power steering control module.
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.
PIE0802A
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to having the Check Engine Lamp illuminated on the Driver Information Center (DIC) and DTC P0202 set. The technician will need to replace the wire harness and affected fuel injector.
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.
24-NA-181
This service bulletin provides service information for customer concerns of No Reverse, Will Not Shift Past 3rd Gear, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2732 Set.
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.
PIT6276
This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
PIT6279
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
12-08-51-002R
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
PIT6192B
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
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.
PIT6060A
This Preliminary information communicates an issue with setting up the trailering features if the trailer height is over 119 inches. Engineering is working on new video processing module software to correct this concern, but in the meantime customers can enter of 118 inches to allow the system to calibrate.
04-06-01-029K
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
PIT5832R
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985F
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
N242435631-05
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.
PIE0804A
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to a Chirp, Squeal, and/or Whine Type Noise Heard from Front of Vehicle During a Cold Start and/or While in Operation.
PIP6002A
This preliminary information is to inform the technician to replace the valve body assembly if the concern is no reverse, DTC P2732, and/or will not shift past third gear.
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.
PIT6212B
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.
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.
PIT6244
This Preliminary information communicates how the left lower corner of the DIC is dual purpose and when vehicle is first started it displays the rear passenger seatbelt indicators and then after a short drive it will change and show the four wheel drive indicator.
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.
PIT6142B
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive theme at times or the digital speedometer display is missing at times. Engineering is currently working on a repair.
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.
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-230
This informational bulletin advises the tech to look at a possible valve body control and to use DTC P2818 as a diag route to help verify the customers concern.
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.
10-00-89-009F
This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
24-NA-196
This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions and when the time is right to fill the DEF at that time frame.
03-06-01-023H
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
12-08-51-002Q
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
PIT6142C
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive theme at times or the digital speedometer display is missing at times. Reprogram the Cluster to correct.
01-06-01-011Q
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
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.
23-NA-154
This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
N242452140
Service Update. Certain vehicles may have had the chrome exhaust tips installed instead of the correct black exhaust tips. Dealers are to replace the chrome exhaust tip with correct black exhaust tip.
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".
PIT6247
This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
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.
PIE0802
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to having the Check Engine Lamp illuminated on the Driver Information Center (DIC) and DTC P0202 set.
N242455301-01
Customer Satisfaction Program. Certain vehicles, equipped with a 5.3L gas engine (RPO L84), may have contamination in the engine block. Dealers are to replace the engine.
PIE0803
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to having Malfunction Indicator Lamp illuminated on Driver Information Center (DIC), vehicle may not start but does Crank and/or Randomly Stalling.
17-NA-302
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
23-NA-219
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
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.
24-NA-027
This service bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable.
08-07-30-026I
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
PIP6002
This preliminary information is to inform the technician to replace the valve body assembly if the concern is no reverse, DTC P2732, and/or will not shift past third gear.
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.
PIT6197B
This Preliminary information communicates an issue with the surround vision has poor image quality at the corner stitching and side camera rearward views are misaligned or aimed improperly. Engineering released updated calibrations to correct this condition.
18-NA-146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
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.
PIP5996A
This Preliminary information communicates diagnostic information for vehicles with transmission noise.
PIP5998
This Preliminary information communicates to the technician, if an engine oil leak is coming from the rear main seal, they need to replace the housing that comes with the seal.
PIP6000
This Preliminary Information communication advises the technician on a parts restriction on the Generation I 8 speed rear wheel drive valve bodies.
PIT5985E
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT6110C
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is working on a fix.
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.
24-NA-187
This informational bulletin provides information on Information on Bright PVD (Physical Vapor Deposition) Wheels Appearance and Care.
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.
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.
N242435630-03
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.
PIC6086H
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced.
PIP5996
This Preliminary information communicates diagnostic information for vehicles with transmission noise
PIT5509L
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
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.
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).
PIP5984D
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIT6101G
This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6206
This Preliminary information communicates a Diagnostic Tip for a Rattle/Squeak/Creak/Squawk/Itch/Rub Type Noise Heard From The Dash I/P or Center Console Area. Dealers are to inspect the bank 1 sensor 1 O2 sensor connector to make sure it is properly installed in its retainer.
24-NA-103
This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the urethane seal.
N242435630-02
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. Expanding population only.
N242435631-01
Customer Satisfaction Program - Certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Population Expansion. Dealers are to reprogram the serial data gateway module and the radio.
N242435631-02
Customer Satisfaction Program - certain 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.
PIP5984C
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIP5988
This preliminary information communicates to technicians not to replace the injection pump for DTCs P0089 and P2293, but to replace the fuel rail instead.
PIT3271P
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT6134B
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT6197A
This Preliminary information communicates an issue with the surround vision has poor image quality at the corner stitching and side camera rearward views are misaligned or aimed improperly. Engineering is working on calibration to fix the issue.
PIP5832A
This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.
PIT5990B
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.
PIT6197
This Preliminary information communicates an issue with the surround vision has poor image quality at the corner stitching and side camera rearward views are misaligned or aimed improperly. Engineering is working on calibration to fix the issue.
24-NA-178
The informational bulletin advises that the trim beadlock is for decoration and not actual function.
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.
N242455301
Customer Satisfaction Program. Certain vehicles, equipped with a 5.3L gas engine (RPO L84), may have contamination in the engine block. Dealers are to replace the engine.
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.
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.
N242435630-01
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.
N242455780
Service Update. On certain vehicles, the rear outboard seat belt(s) may be slow to retract into the C-pillar. Dealers are to inspect, and if necessary, re-route the left hand and/or right hand rear outboard seat belts.
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.
PIP5987
This Preliminary Information communication advises the technician to gather data from the Transmission Control Module for review to aid in root cause diagnostics
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.
PIP5984
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.
PIT5650B
This Preliminary information communicates that trucks built at Oshawa assembly utilize a powder anti-chip material process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.
PIT5832M
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
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.
PIT6017A
This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
PIT6101E
This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6134A
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT6146
This Preliminary information communicates on a software anomaly for a DTC that sets for the incorrect side and how to address that concern.
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.
18-NA-103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
21-NA-271
This bulletin advises the technician of a possible kinked coolant hose that might be causing the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P026A Set.
18-NA-306
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
20-NA-090
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
20-NA-082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
PI0754G
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
PIE0793B
This engineering information (EI Lite) closure ends the need for technicians to use the Field Product Reporting (FPR) App process in regard to an engine oil leak found around the center of the vehicle that drives a warrantable item type of repair on any of the listed Models.
16-NA-158
This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
12-01-37-001G
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
24-NA-141
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
20-NA-038
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
00-03-10-002M
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
17-NA-157
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
N242440310
Certain vehicles may have been built with damaged intermediate-shaft boots. Dealers will inspect for damage and replace the I-Shaft Assembly if necessary.
N242442140-01
Service Update. On certain vehicles, equipped with a 5.3L gasoline engine (RPO L84), burrs may be present in the engine oil circuit which could cause an engine misfire. Dealers will perform the engine idle and road test inspection, and if necessary, replace the engine.
PIE0793A
This engineering information (EI Lite) is requesting that technicians use the Field Product Reporting (FPR) App process in regard to an engine oil leak found around the center of the vehicle that drives a warrantable item type of repair on any of the listed Models.
24-NA-117
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 – Multiple Updates for IOK.
99-04-20-002O
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
04-06-04-051I
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
16-NA-383
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
24-NA-123
This service bulletin advises the technician that the purge pump part number has changed and limited supply.
N242455300
UPDATE: Stop Delivery Order Await Communication: Reference Number N242455300 - Certain VINs Removed from Stop Delivery
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.
PIE0793
This engineering information (EI Lite) is requesting that technicians use the Field Product Reporting (FPR) App process in regard to an engine oil leak found around the center of the vehicle that drives a warrantable item type of repair on any of the listed Models.
21-NA-068
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
N232431900
Customer Satisfaction Program. On certain vehicles, the customer may not have been provided with the 2 additional smart key fobs that were purchased. Dealers are to provide the customer with 2 unprogrammed smart key fobs.
20-NA-016
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
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.
22-NA-165
This bulletin provides a replacement procedure for brake pads due to squealing Noise at Low Speeds.
N242442140
Service Update. On certain vehicles, equipped with a 5.3L gasoline engine (RPO L84), burrs may be present in the engine oil circuit which could cause an engine misfire. Dealers are to perform the inspection procedure contained within this bulletin.
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.
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.
00-03-10-006P
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
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.
N242437510
Customer Satisfaction Program - certain vehicles may have been built with incorrect tires for the police pursuit package. Dealers are to replace 4 driving tires and 1 spare tire.
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.
10-08-45-001H
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
PIT6101D
This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6142A
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive theme at times. Engineering is currently working on a repair.
PIT6015A
This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
PIT6142
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive theme at times. Engineering is currently working on a repair.
23-NA-103
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
N232432960
Service Update. On certain vehicles, the fuel rail pressure sensors may have been built with output shifts at various temperature and pressure ranges. Dealers are to replace the fuel rail pressure sensor.
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.
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.
PIT5832L
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT6006B
This Preliminary information communicates where to find the back antenna for learning new key fobs.
PIT6123B
This Preliminary information communicates on a software anomaly that causes a Rear Auto Brake and Park Assist Unavailable message on start up that is temporary and how to address that concern.
11-00-89-005X
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
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.
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.
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).
PIP5963
This preliminary information communicates to technicians to clear the codes and release the vehicle if it arrives for a P062B set, and to replace the ECM if it has been in previously.
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.
PIT5689F
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
PIP5962
This Preliminary information communicates how to isolate a tick noise from the rear axle housing.
PIT4322P
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5551N
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT5744D
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
PIT6006A
This Preliminary information communicates where to find the back antenna for learning new key fobs.
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).
PIC6486D
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIT6123A
This Preliminary information communicates on a software anomaly that causes a Rear Auto Brake and Park Assist Unavailable message on start up that is temporary and how to address that concern.
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.
PIT6123
This Preliminary information communicates on a software anomaly that causes a Rear Auto Brake and Park Assist Unavailable message on start up that is temporary and how to address that concern.
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.
N232425850
Service Update - Certain vehicles may have a condition in which the fuel tank fuel pump module manifold connector is not completely clipped to fuel pump housing. Dealers are to replace the Fuel Tank Fuel Pump Module.
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.
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.
PIT6107A
This Preliminary information communicates that GM is aware of and working on the audio issue.
PI0592I
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIT6107
This Preliminary information communicates that GM is aware of and working on the audio issue
PIT5687A
This Preliminary information communicates some diagnostic tips to inspect for no/low voltage at the ECM for a customers complaints of a SES MIL, Crank No Start, stalling DTC's: P16A7 and/or P16AF.
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.
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.
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).
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.
N232421270
Customer Satisfaction Program - certain vehicles may have a roof panel split on the passenger side. Dealers are to inspect the passenger side roof panel and if necessary, MIG weld the split.
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.
N232422180
Service Update - Certain vehicles, with a 3.0L diesel engine (RPO:LZ0) and off-road suspension (RPO:ZRX), may incorrectly remain latched in sport mode across key cycles. Dealers are to reprogram the Body Control Module (BCM).
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.
PIT5736C
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
PIT5999B
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.
PIT6032C
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.
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).
PIP5946
This Preliminary Information communication advises the technician on the steps to locate a possible poor terminal connection or backed out terminal at the transmission connector
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.
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.
05-00-89-029F
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
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.
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).
PIT5950A
This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed.
22-NA-015
This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.
12-08-51-002P
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
PIT5895B
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
N23-240353
'Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: â¢Updates made to ensure a seamless connection upon startup with SiriusXM.â â¢Updates made to the Radio Favorites functionality on the steering wheel to prevent unwanted interruption of user experience. â¢A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stops⢠(There may be future updates under this same release number.)
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).
N23-241272
'(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: * Updates made to improve the instrument panel display. * A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stopsâ¢
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.
09-00-89-016H
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
23-NA-138
This informational bulletin advises the tech the possible causes of the DTCs that set and how to maintenance the issue.
15-00-89-004F
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
10-06-05-002M
This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
01-00-89-010R
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
03-06-04-017T
This service bulletin provides information on availability of Diesel Fuel additives.
04-06-04-051H
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
09-06-04-026X
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
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.
17-NA-066
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
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.
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.
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.
N23-240810
'Your vehicle keeps getting better. This vehicle software update includes the following if equipped: Refinements:â ⢠Improvement to reduce risk of unintended check engine light illumination Better Never Stops⢠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.
21-NA-061
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
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.
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).
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).
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).
PIP5917
This Preliminary information provides information to the technician Direction for when DTC P0422 Sets on a 2024 Vehicle with the 6.6L L5P engine.
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.
04-00-89-015Z
This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
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.
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).
05-06-04-022U
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.
00-06-01-026Q
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
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.