2025 GMC Hummer EV Pickup Technical Service Bulletins

391 technical service bulletins (TSBs) are on record for the 2025 GMC Hummer EV Pickup. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11008893Aug 20, 2024Fuel system. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 11007729Aug 16, 2024Transmission and drivetrain. This informational bulletin provides information on Wheel Drive Shaft Retention Snap Ring Design Change.
• 11007721Aug 16, 2024Electrical system, Engine. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
• 11008903Aug 14, 2024Fuel system. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
• 11007914Aug 14, 2024Transmission and drivetrain, Electrical system, Fuel system. 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.
• 11006355Aug 14, 2024Body and structure, Electrical system. 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.
• 11007720Aug 13, 2024Body and structure. This informational bulletin provides information on Information on available Low Gloss Matte Paint Finishes.
• 11006682Aug 9, 2024Other or unknown. This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
• 11006644Aug 1, 2024Other or unknown. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 11005397Aug 1, 2024Other or unknown. 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.
• 11006511Jul 31, 2024Visibility (wipers, defrost, mirrors). This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
• 11006278Jul 26, 2024Other or unknown. This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
• 11006421Jul 24, 2024Transmission and drivetrain. 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.
• 11006290Jul 24, 2024Engine, Electrical system. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
• 11006282Jul 22, 2024Wheels. This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
• 11005393Jul 18, 2024Other or unknown, Electrical system. This informational bulletin provides PDI Dealer Pack Installation Information.
• 11005375Jul 18, 2024Steering, Brakes. This informational bulletin provides information on Pop/Creak Type Noise While Sitting Stationary and Turning Steering Wheel with Brakes Applied.
• 11004991Jul 12, 2024Body and structure. This informational bulletin provides information on HUMMER EV Water Leak Diagnostic Tips.
• 11004727Jun 29, 2024Fuel system. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 11004624Jun 18, 2024Other or unknown. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
• 11004558Jun 17, 2024Other or unknown. This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
• 11004557Jun 17, 2024Other or unknown. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 11002441Jun 14, 2024Electrical system, Engine. This service bulletin provides information for engine oil life monitor operation calculation.
• 11001972Jun 8, 2024Other or unknown, Electrical system. 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.
• 11002312Jun 6, 2024Electrical system. 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.
• 11001321May 16, 2024Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 11001325May 14, 2024Other or unknown. 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.
• 11000602May 9, 2024Other or unknown. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
• 11000576May 7, 2024Other or unknown. 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.
• 11000599May 6, 2024Wheels. This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
• 11000550May 3, 2024Other or unknown, Electrical system, Exterior lighting, Body and structure…. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 11000549May 3, 2024Wheels. 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.
• 11000575May 2, 2024Other or unknown. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 11000163May 1, 2024Other or unknown. 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.
• 11000158May 1, 2024Other or unknown, Seats. 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.
• 11000162Apr 30, 2024Electrical system. 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.
• 11000160Apr 30, 2024Other or unknown. This service bulletin provides information on proper use of floor mats.
• 10254422Apr 30, 2024Equipment. This informational bulletin provides information on Information on available Low Gloss Matte Paint Finishes.
• 11000119Apr 26, 2024Suspension, Engine, Transmission and drivetrain. 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.
• 10254389Apr 26, 2024Equipment, Body and structure. This informational bulletin provides information for dealers/technicians on front license plate adapter bracket installation during PDI.
• 10253725Apr 12, 2024Other or unknown. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

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