Vehicle report

2025 GMC HUMMER EV PICKUP

Service bulletins

311 bulletins

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.

PIC6629F

Service Bulletin/Repair Instructions

This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

PIP4902W

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

PIT6545

Service Bulletin/Repair Instructions

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.

PIT6541

Service Bulletin/Repair Instructions

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

N252516700-01

Service Campaign

The Battery Energy Control Module (BECM) in certain vehicles include battery-monitoring software. An update is available for this software that improves the BECM’s ability to detect moisture inside the RESS enclosure. Dealers are to reprogram the BECM with the updated software.

PIC6551C

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

PIT6512A

Service Bulletin/Repair Instructions

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.

PIT6446A

Service Bulletin/Repair Instructions

This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.

662.40

Over The Air

• Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification. • Fixes to address connectivity issue

PIT5099J

Service Bulletin/Repair Instructions

PI to help diagnose A/C concern

662.30

Over The Air

Reduces unnecessary service messages, check engine light activations, and OnStar emergency calls from your vehicle.

PIP6081C

Service Bulletin/Repair Instructions

This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,

662.10

Over The Air

• This update enables functionality for King Crab mode. • King Crab mode provides enhanced rear steering for off-road use • To enable this feature, press and hold the right four-wheel steering button on the Drive Mode selector for five seconds • For more information, refer to the Driving and Operating section in the owner's manual

662.20

Over The Air

• Improvements to active cabin ventilation • Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating • Improvements to the software update system

PIT6146A

Service Bulletin/Repair Instructions

This Preliminary information communicates on a software anomaly for a DTC that sets for the incorrect side and how to address that concern.

PIT5966F

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.

PIT6523

Service Bulletin/Repair Instructions

This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessary

PIT6477C

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This Preliminary information communicates recovery procedure after return to dealer message.

PIP6117

Service Bulletin/Repair Instructions

This Preliminary Information communicates possible conditions arising from corrosion on the JX310 splice pack that could affect vehicle operation including the ability to start, drive, charge their EV.

PIT6519

Service Bulletin/Repair Instructions

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.

PIT6215C

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.

PIC6602X

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6540J

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers a procedure to reset the radio.

PIC6423A

Service Bulletin/Repair Instructions

Pi created to provide GM dealers with information on gathering information for projection issue

PIC6540H

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers a procedure to reset the radio.

PIC6551B

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

PIT6512

Service Bulletin/Repair Instructions

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.

PIC6629E

Service Bulletin/Repair Instructions

This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

PIC6630B

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to recover an IOK radio.

PIT6193B

Service Bulletin/Repair Instructions

PI created to provide dealer technicians with procedures for updating Google Maps.

PIC6602W

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6602V

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6540G

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers a procedure to reset the radio.

PIC6602U

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6629D

Service Bulletin/Repair Instructions

This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

PIT6503

Service Bulletin/Repair Instructions

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.

N252529080

Service Campaign

Service Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.

PIT3271Q

Service Bulletin/Repair Instructions

This preliminary information communicates information about how to determine if a wheel and tires size change is available.

PIP4902V

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

PIP6104

Service Bulletin/Repair Instructions

This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

PIC6602T

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6629C

Service Bulletin/Repair Instructions

This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

N252541510

Service Campaign

Certain vehicles may have been sold with a GM NACS Level 2 EV charging adapter (NACS to J1772) in which a quality issue was identified. Dealers are to provide the customer with the latest design charging adapter.

PIT6425D

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss

PIP6081B

Service Bulletin/Repair Instructions

This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,

PIT6456D

Service Bulletin/Repair Instructions

This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.

PIT6213D

Service Bulletin/Repair Instructions

This Preliminary information communicates that the Tailgate Assist Handle is not included with certain truck models and how to get one if needed.

654.10

Over The Air

• Improvements to help protect battery health in low temperatures. • Improvements to diagnostics to reduce service messages. • Fixes to help protect battery health in high temperatures. • Fixes to improve responsiveness for vehicle diagnostics.

654.20

Over The Air

• Improvements to the performance of One-Pedal Driving. • Improvements to leveling corrections. • Improvements to the performance of Super Cruise. • Improvements to the opening power of the rear power gate. • Fixes to address antilock braking system responsiveness.

PIC6602R

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6638A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technician the repair direction needed to address an inaccurate speed limit sign displayed on instrument cluster.

PIT5985K

Service Bulletin/Repair Instructions

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.

PIT6298B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field about a false DTC that is setting and how to address the issue.

PIT6425C

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

PIP6098

Service Bulletin/Repair Instructions

This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.

PIT6457B

Service Bulletin/Repair Instructions

This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.

PIT6369B

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.

PIP4902U

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

PIC6540F

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers a procedure to reset the radio.

PIC6629B

Service Bulletin/Repair Instructions

This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

PIT6457A

Service Bulletin/Repair Instructions

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.

PIC6602Q

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIT6457

Service Bulletin/Repair Instructions

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.

PIT5214G

Service Bulletin/Repair Instructions

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.

PIC6602P

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6629A

Service Bulletin/Repair Instructions

This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

PIP5981G

Service Bulletin/Repair Instructions

This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.

PIC6602N

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6629

Service Bulletin/Repair Instructions

This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

PIT6446

Service Bulletin/Repair Instructions

This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.

PIC6602M

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6602L

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIT6425B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

PIT6425A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

PIC6551A

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

PIC6602K

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

N252516700

Service Campaign

The Battery Energy Control Module (BECM) in certain vehicles include battery-monitoring software. An update is available for this software that improves the BECM’s ability to detect moisture inside the RESS enclosure. Dealers are to reprogram the BECM with the updated software.

PIT6440

Service Bulletin/Repair Instructions

The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.

25-NA-152

Service Bulletin/Repair Instructions

this bulletin advises the tech not to replace the shock for possible air leak, but to replace the air valve on the shock.

N25-251670

Over The Air

• Improvements to battery health diagnostics • Fixes for efficiency when using fast charging stations • Improvements to reliability for climate control and charging • Improvements to the accuracy of efficiency values • Improvements to shifting • Fixes to protect battery health and adjust charge limits • Improvements to diagnostics that impact propulsion, charging, and One-Pedal Driving 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.

PIT6356C

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.

PIT6424B

Service Bulletin/Repair Instructions

A vehicle may come in with B3A6B set in history. Tech is directed to clear code and advise the customer an OTA will be released for the code.

13598

Other

New Vehicle Monitoring Programs Section in IVH

PIT5479H

Service Bulletin/Repair Instructions

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.

PIT6298A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field about a false DTC that is setting and how to address the issue.

PIT6424A

Service Bulletin/Repair Instructions

A vehicle may come in with B3A6B set in history. Tech is directed to clear code and advise the customer an OTA will be released for the code.

18-NA-180

Service Bulletin/Repair Instructions

This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.

PIT6411A

Service Bulletin/Repair Instructions

This information provides software update information for the K73 Telematics module to correct the symptoms described.

PIT5854D

Service Bulletin/Repair Instructions

This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.

PIP6081

Service Bulletin/Repair Instructions

This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,

PIT6424

Service Bulletin/Repair Instructions

A vehicle may come in with B3A6B set in history. Tech is directed to clear code and advise the customer an OTA will be released for the code.

PIT6213C

Service Bulletin/Repair Instructions

This Preliminary information communicates that the Tailgate Assist Handle is not included with certain truck models and how to get one if needed.

PIC6602H

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIP4902T

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

PIT6059C

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.

PIC5650M

Service Bulletin/Repair Instructions

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.

PIT6419

Service Bulletin/Repair Instructions

PI was created to let dealers know that the underbody deflector are no longer standard equipment and they can ordered separately upon customer request.

PIC6602G

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIC6602F

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

N25-250378 (V652.50)

Over The Air

This software update includes the following, if your vehicle is equipped: • Improvements to vehicle diagnostics. • Fixes to preserve battery life and improve charging. • Fixes to address issues with shifting. • Fixes for vehicle airflow in icy conditions. • Improvements to HVAC compressor performance. 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.

PIP5601B

Service Bulletin/Repair Instructions

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

PIP5601C

Service Bulletin/Repair Instructions

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

PIT5074S

Service Bulletin/Repair Instructions

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.

PIT6411

Service Bulletin/Repair Instructions

This information provides software update information for the K73 Telematics module to correct the symptoms described.

PIC6602E

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIT5832V

Service Bulletin/Repair Instructions

This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

N25-249834 (652.40)

Over The Air

Software Update for your 25MY GMC Hummer EV •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. •Improvements to leveling corrections. •Improvements to the performance of Super Cruise. •Improvements to the opening power of the rear power gate. •Fixes to address antilock braking system responsiveness. •Improvements to the performance of One-Pedal Driving. 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.

N252494770-01

Service Campaign

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

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIT6401

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This PI communicates a procedure to clean oil leaking from the rain sensor.

N252494770

Service Campaign

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.

PIP6072

Service Bulletin/Repair Instructions

This Preliminary Information communicates possible conditions they may encounter during HVAC flushing procedures on some vehicles due to adapter compatibility concerns that should be resolved soon.

PIT6180A

Service Bulletin/Repair Instructions

This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.

PIP4902S

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

25-NA-156

Service Bulletin/Repair Instructions

This service bulletin provides information on Tire Sidewall Irregularities.

PIT5074R

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIP5981F

Service Bulletin/Repair Instructions

This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.

PIT5966E

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.

PIT6356B

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.

22-NA-083

Service Bulletin/Repair Instructions

This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.

23-NA-151

Service Bulletin/Repair Instructions

This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.

PIE0753I

Service Bulletin/Repair Instructions

This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

23-NA-202

Service Bulletin/Repair Instructions

This service bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.

24-NA-133

Service Bulletin/Repair Instructions

This informational bulletin provides information on Wheel Drive Shaft Retention Snap Ring Design Change.

24-NA-202

Service Bulletin/Repair Instructions

This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.

25-NA-044

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.

PIC6602B

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

PIT6356A

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.

PIE0836

Service Bulletin/Repair Instructions

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 the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update.

25-NA-118

Service Bulletin/Repair Instructions

This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.

PIT6367A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.

PIT6212C

Service Bulletin/Repair Instructions

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.

N242451390-03

Service Campaign

On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.

N252503100

Service Campaign

On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.

PIT6215B

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.

PIT6369A

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.

PIE0834

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the hood will not latch, open and/or gets stuck, hood ajar message displayed on driver information center (DIC), DTCs P257D, P257E, P257F, B1C80, B1C81, B1C85, B1C89, B1C8C, B1C8D, B1CB5 , B1CBF set.

24-NA-029

Service Bulletin/Repair Instructions

This informational bulletin provides information on HUMMER EV Water Leak Diagnostic Tips.

25-NA-101

Service Bulletin/Repair Instructions

This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.

24-NA-143

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.

22-NA-242

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

24-NA-113

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.

25-NA-098

Service Bulletin/Repair Instructions

This Service Bulletin provides information on the latest Radio Software Z175 for vehicles equipped with RPO IOK related to improving radio related issues with notable improvements.

PIT6144G

Service Bulletin/Repair Instructions

This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal software concern

PIT6369

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.

PI0281L

Service Bulletin/Repair Instructions

This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.

PIE0830

Service Bulletin/Repair Instructions

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the side door windows being inoperative when pressing the window switch.

PIT6286A

Service Bulletin/Repair Instructions

This Preliminary information communicates a normal charteristic with the outside passengers mirror and not to replace the mirror for a normal concern.

PIC6552E

Service Bulletin/Repair Instructions

This Preliminary information communicates how to recover the Image Processing Module.

PIT6151B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.

N25-249834

Over The Air

Great News! Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: • Improves accuracy of service messages for high voltage charging system. • Reduces drain on 12V battery. • Improves performance of charging. • Improves performance of wireless communication of the Lithium-Ion battery status • Improves performance of cabin heating and windshield defrosting system 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.

N252499750

Service Campaign

Certain vehicles listed above may have a condition in which the front brake lines are below torque specification. Dealers will inspect and if necessary, correct the front brake line torque to specification.

PIT5551R

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

PIT6367

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.

07-00-89-037W

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

PIE0826

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting pictures from technicians in regard to center hood molding being loose and/or potentially detaching from vehicle.

24-NA-028

Service Bulletin/Repair Instructions

This service bulletin provides information on Power Tonneau Cover Diagnostic Tips.

25-NA-087

Service Bulletin/Repair Instructions

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.

N25-F172AE

Over The Air

Great News! Your vehicle keeps getting better. 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. 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.

13-08-116-001K

Service Bulletin/Repair Instructions

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.

22-NA-096

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.

PIP5981E

Service Bulletin/Repair Instructions

This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.

PIT6353

Service Bulletin/Repair Instructions

This Preliminary information communicates Proper NACS charging adaptor usage.

24-NA-098

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This bulletin provides information on Wiper Blade Maintenance Tips.

08-03-10-006I

Service Bulletin/Repair Instructions

This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.

15-06-03-001F

Service Bulletin/Repair Instructions

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.

17-NA-073

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

PIE0753H

Service Bulletin/Repair Instructions

This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

PIT6044N

Service Bulletin/Repair Instructions

This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.

PIT6144F

Service Bulletin/Repair Instructions

This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal issue with compressor assembly.

24-NA-015

Service Bulletin/Repair Instructions

This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.

PIP5981D

Service Bulletin/Repair Instructions

This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.

05-03-07-009L

Service Bulletin/Repair Instructions

This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.

PIT6346

Service Bulletin/Repair Instructions

This Preliminary information communicates that a vehicle may come to the dealer with a service high voltage message. The dealer is instructed to check for code B2BAA and if it is found to reprogram the Battery Energy Control Module.

11-00-89-005Y

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

PIT6209F

Service Bulletin/Repair Instructions

This Preliminary information communicates recovery procedure after return to dealer message.

05-08-51-001L

Service Bulletin/Repair Instructions

This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.

22-NA-144

Service Bulletin/Repair Instructions

This service bulletin provides a repair procedure to correct customer concerns of Power Windows, Door Locks and Outside Mirrors Inoperative, Unwanted Theft Alarm Activation, Random Messages Displayed on Driver Information Center (DIC).

16-NA-109

Service Bulletin/Repair Instructions

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.

PIT6334

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

PIT6144E

Service Bulletin/Repair Instructions

This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal issue with compressor assembly.

22-NA-215

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for chargers that are covered under the terms of a 3-year Limited Parts Warranty from the date of purchase.

24-NA-048

Service Bulletin/Repair Instructions

This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.

10-08-110-001L

Service Bulletin/Repair Instructions

This service bulletin provides information on proper use of floor mats.

21-NA-043

Service Bulletin/Repair Instructions

This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

22-NA-244

Service Bulletin/Repair Instructions

This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

25-NA-003

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure on a rattle type noise heard from the brake pedal area.

23-NA-064

Service Bulletin/Repair Instructions

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.

PIT6202D

Service Bulletin/Repair Instructions

This Preliminary information communicates how to repair the e-Trunk if it has lost it's learn with a new software update

21-NA-135

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.

22-NA-005

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Information on Opening / Closure Instructions for DDR (Damaged, Defective, Recalled) High Voltage Battery Dunnage / Container.

PIT5832U

Service Bulletin/Repair Instructions

This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

PIT5985J

Service Bulletin/Repair Instructions

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.

PIE0753G

Service Bulletin/Repair Instructions

This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

N242451390-02

Service Campaign

Service Update. On certain vehicles, the 12V battery negative cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and confirm whether or not the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and ensure that the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.

25-NA-012

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Front Floor Console Center Compartment Door Stuck Closed.

PIT6044M

Service Bulletin/Repair Instructions

This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.

24-NA-132

Service Bulletin/Repair Instructions

Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.

20-NA-132

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

PIT6213B

Service Bulletin/Repair Instructions

This Preliminary information communicates that the Tailgate Assist Handle is not included with the Hummer EV and the RST/Denali EV trucks and how to get one if needed.

07-00-89-037U

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

24-NA-045

Service Bulletin/Repair Instructions

This informational bulletin provides information on Pop/Creak Type Noise While Sitting Stationary and Turning Steering Wheel with Brakes Applied.

24-NA-257

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to correct Rear Seat Belt Bezel Falls Off.

PIT6298

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field about a false DTC that is setting and how to address the issue.

PIP5981C

Service Bulletin/Repair Instructions

This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.

PIP6009B

Service Bulletin/Repair Instructions

This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed.

PIT6265B

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

22-NA-038

Service Bulletin/Repair Instructions

This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

22-NA-053

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.

PIT5985G

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

N242451390-01

Service Campaign

Service Update. On certain vehicles, the 12V battery negative cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to remove the First Responder Emergency Cut Loop label from the 12V battery negative cable.

24-NA-083

Service Bulletin/Repair Instructions

This informational bulletin provides information on EV Charge Inlet Dust Cover Replacement Information.

PIE0753F

Service Bulletin/Repair Instructions

This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

PIT6299

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to resolve a current issue on 2025 models that have a issue with learning new key fob transmitters to the vehicle.

PIT6296

Service Bulletin/Repair Instructions

This Preliminary information communicates that a software update will be released to correct a false setting U164E from setting in the electronic brake control module.

PIC6552D

Service Bulletin/Repair Instructions

This Preliminary information communicates how to recover the Image Processing Module.

PIC6587

Service Bulletin/Repair Instructions

This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.

PIT5962B

Service Bulletin/Repair Instructions

This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

PIT6202C

Service Bulletin/Repair Instructions

This Preliminary information communicates how to properly relearn the e-Trunk if it has lost it's learn.

PIT6209D

Service Bulletin/Repair Instructions

This Preliminary information communicates recovery procedure after return to dealer message.

24-NA-259

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.

PIP5981B

Service Bulletin/Repair Instructions

This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.

N242470230

Service Campaign

Certain vehicles listed above may need an updated Owner’s Manual insert which includes improved feature descriptions for Remote Key Operation (Key Fobs), Power Hood (eTrunk) for all, and Swing Gate information (for HUMMER EV SUV). Dealers will insert the updated insert into the Owner’s Manual. Since the insert can be easily installed, and to reduce customer inconvenience, the insert will be sent directly to customers of record along with instructions. Customers may place the insert into their Owner’s Manual or, if they desire, they may ask the dealer to perform this task.

N242473130

Service Campaign

Service Update. On certain vehicles, there may be debris/machining chips in the rear knuckles. Dealers will inspect, and if necessary, retap the rear brake caliper bracket threads.

24-NA-226

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Passenger Side Windshield A-Pillar Speaker Grill Cover Falling Off/Loose/Not Flush.

PIT6265A

Service Bulletin/Repair Instructions

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.

PIT6275

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on a diagnostic tip for a Service Door Latch message and checking the inside door handle cable to make sure ift is fully engaged

12-08-51-002R

Service Bulletin/Repair Instructions

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

PIT6209C

Service Bulletin/Repair Instructions

This Preliminary information communicates recovery procedure after return to dealer message.

PIT6269

Service Bulletin/Repair Instructions

This Preliminary information communicates how to repair the rear swing gate access button that is stuck

PIT5832R

Service Bulletin/Repair Instructions

This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

PIT5985F

Service Bulletin/Repair Instructions

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.

PIP5994A

Service Bulletin/Repair Instructions

This Preliminary information communicates information on software issues for the P2980 Code, and steps to check see how the code is failing. these steps will help the dealer determine if a pending software fix will correct the issue of if parts need to be replaced.

PIP6009

Service Bulletin/Repair Instructions

This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed.

PIT6189C

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to reset the FCM until new software is released for supercruise dropping out.

PIT6212B

Service Bulletin/Repair Instructions

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.

PIT6243

Service Bulletin/Repair Instructions

This Preliminary information communicates how to find and address aftermarket Equipment that prevents Supercruise from engaging.

PIT6245

Service Bulletin/Repair Instructions

This Preliminary information communicates the need to program the BECM before replacement of the high Voltage battery.

PIT5909C

Service Bulletin/Repair Instructions

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.

PIT6044L

Service Bulletin/Repair Instructions

This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.

PIT6265

Service Bulletin/Repair Instructions

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.

PIE0753E

Service Bulletin/Repair Instructions

This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

PIP5994

Service Bulletin/Repair Instructions

This Preliminary information communicates information on software issues for the P2980 Code, and steps to check see how the code is failing. these steps will help the dealer determine if a pending software fix will correct the issue of if parts need to be replaced.

PIT6202B

Service Bulletin/Repair Instructions

This Preliminary information communicates how to properly relearn the e-Trunk if it has lost it's learn.

PIP6009A

Service Bulletin/Repair Instructions

This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed.

24-NA-169

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of SuperCruise Dropping Out After Driving 30–60 Seconds and/or Service Driver Assist Message Illuminated with DTCs U1626, U3000, and/or B2BA1.

24-NA-034

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Grunt Noise with Adaptive Cruise or One-Pedal Drive.

24-NA-040

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).

PIT6255

Service Bulletin/Repair Instructions

This Preliminary information communicates a diagnostic tip when experiencing an error when trying to perfom a trim height learn or review pressure data in GDS

12-08-51-002Q

Service Bulletin/Repair Instructions

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

99-00-89-019Z

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.

07-00-89-037T

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

23-NA-154

Service Bulletin/Repair Instructions

This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).

PIT5551P

Service Bulletin/Repair Instructions

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".

23-NA-219

Service Bulletin/Repair Instructions

This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.

08-07-30-026I

Service Bulletin/Repair Instructions

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.

18-NA-146

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

PIT5985E

Service Bulletin/Repair Instructions

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.

PIT6213A

Service Bulletin/Repair Instructions

This Preliminary information communicates that the Tailgate Assist Handle is not included with the Hummer EV and the RST/Denali EV trucks and how to get one if needed.

PIT6225

Service Bulletin/Repair Instructions

This Preliminary information communicates that the I bar tool kit is not included with the 2025 Hummer EV models and how to get one if needed.

PIC6086H

Service Bulletin/Repair Instructions

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.

PIT6044K

Service Bulletin/Repair Instructions

This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.

PIT6057C

Service Bulletin/Repair Instructions

This Preliminary information communicates a condition on the power swing gate not opening by power and how to resolve the concern by a swing gate adjustment.

07-00-89-036K

Service Bulletin/Repair Instructions

This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.

02-00-89-002X

Service Bulletin/Repair Instructions

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).

PIT3271P

Service Bulletin/Repair Instructions

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.

24-NA-178

Service Bulletin/Repair Instructions

The informational bulletin advises that the trim beadlock is for decoration and not actual function.

General Communication

Service Campaign

Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.

05-03-08-002J

Service Bulletin/Repair Instructions

This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

23-NA-044

Service Bulletin/Repair Instructions

This service bulletin provides information on AGM batteries that require less frequent charging in storage.

PIE0753D

Service Bulletin/Repair Instructions

This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

PIT6057B

Service Bulletin/Repair Instructions

This Preliminary information communicates a condition on the power swing gate not opening by power and how to resolve the concern by a swing gate adjustment.

23-NA-016

Service Bulletin/Repair Instructions

This informational bulletin provides information on Information on available Low Gloss Matte Paint Finishes.

01-00-89-010S

Service Bulletin/Repair Instructions

This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

18-NA-306

Service Bulletin/Repair Instructions

This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

N242451390

Service Campaign

Service Update. On certain vehicles, the 12V battery negative cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to remove the First Responder Emergency Cut Loop label from the 12V battery negative cable.

PI0754G

Service Bulletin/Repair Instructions

This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

16-NA-158

Service Bulletin/Repair Instructions

This service bulletin describes the U.S. Dealer Special Tool Loan Program process.

12-01-37-001G

Service Bulletin/Repair Instructions

This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

24-NA-141

Service Bulletin/Repair Instructions

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.

00-03-10-002M

Service Bulletin/Repair Instructions

This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.

24-NA-130

Service Bulletin/Repair Instructions

This informational bulletin provides PDI Dealer Pack Installation Information.

04-06-04-051I

Service Bulletin/Repair Instructions

This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

22-NA-070

Service Bulletin/Repair Instructions

This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

18-NA-099

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).

18-NA-125

Service Bulletin/Repair Instructions

This service bulletin provides information for engine oil life monitor operation calculation.

21-NA-068

Service Bulletin/Repair Instructions

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.

08-07-30-035H

Service Bulletin/Repair Instructions

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

16-NA-119

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.

09-00-89-008G

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.

22-NA-106

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on proper use of floor mats.

13-08-116-001J

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

22-NA-039

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on front license plate adapter bracket installation during PDI.

Reading this report

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.