PIP4902W
Service Bulletin/Repair Instructions
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
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.
PIP4902W
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT6503E
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.
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
PIT5099J
PI to help diagnose A/C concern
N25-252332
• Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise.
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.
PIT6503B
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.
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.
PIC6540J
This Preliminary information communicates to dealers a procedure to reset the radio.
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
PIC6540G
This Preliminary information communicates to dealers a procedure to reset the radio.
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.
N252529080
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
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
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.
N252541510
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
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
PIT6394C
A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.
PIT6425C
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
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.
PIP4902U
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIC6540F
This Preliminary information communicates to dealers a procedure to reset the radio.
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.
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.
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.
PIT6393F
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
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
PIT6393E
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
PIT6440
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
PIT6393C
This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
PIT6424B
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
New Vehicle Monitoring Programs Section in IVH
PIT6424A
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.
PIP6081
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
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.
PIT6423
Diagnostic Guidance for U3000-97 Long Range Radar Blocked
PIP4902T
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT6059C
This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
PIC5650M
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
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.
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.
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.
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.
N24-248031
• 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 • Improvements to battery drain during software updates • Performance improvements for Adaptive Cruise Control and Auto Emergency Braking Updates to communication between horn and turn signal 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.
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.
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.
18-NA-180
This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
22-NA-242
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
PIT6369
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PI0281L
This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
PIC6552E
This Preliminary information communicates how to recover the Image Processing Module.
PIT6105D
This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
N25-F172AE
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.
N24-247194
Great News! Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: •Improvements to battery drain during software updates •Improvements to blue and red button OnStar calls •Improvements to OnStar calls made after collisions •Updates to network icon appearing when network is unavailable 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.
N25-249834
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.
PIP5981E
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
This Preliminary information communicates Proper NACS charging adaptor usage.
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.
PIT6044N
This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
N242478720
Customer Satisfaction Program - Certain vehicles listed above may be missing the EV towing requirement information in the Owner’s Manual. Dealers will insert the EV towing information into the Owner’s Manual. Since the towing information 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.
PIP5994B
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. 11014059 20250210 PIP5994B 20250207 Service Bulletin/Repair Instructions GMC HUMMER EV PICKUP 2025 UNKNOWN OR OTHER 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.
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.
PIT6044M
This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIP5981C
This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
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.
PIP5981B
This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIP5994A
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.
PIT6044L
This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
23-NA-219
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
21-NA-190
This informational bulletin provides information for dealers/technicians on Front License Plate Installation.
18-NA-146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
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.
07-00-89-036K
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
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).
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.
General Communication
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
24-NA-164
This bulletin provides information on Wiper Blade Maintenance Tips.
24-NA-171
This service bulletin provides repair information to correct a dealer concern of DTC U1962 Unable to Authenticate Serial Data Message.
23-NA-202
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.
23-NA-151
This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
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.
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).
24-NA-034
This service bulletin provides information for dealers/technicians on Grunt Noise with Adaptive Cruise or One-Pedal Drive.
18-NA-067
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
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.
23-NA-154
This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
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.
23-NA-103
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
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.
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.
22-NA-114
This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
23-NA-055
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) â FAQs.
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.
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).
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.