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Service bulletins for the 2024 GMC Hummer EV SUV

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

272 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
23-NA-1512023-11-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.
05-00-89-029F2023-10-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
PIE0753B2023-10-26. Service bulletin. EQUIPMENT; ELECTRICAL 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.
99-00-89-019Y2023-10-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
22-NA-0382023-10-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
17-NA-1702023-10-25. Service bulletin. WHEELS. This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
20-NA-1592023-10-18. Service bulletin. TIRES; WHEELS. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
02-00-89-002W2023-10-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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).
23-NA-1542023-10-16. Service bulletin. EQUIPMENT. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
23-NA-1492023-10-10. Service bulletin. EQUIPMENT; SERVICE BRAKES. This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored During Pulling a Trailer with a Battery, Generator or Solar Charger.
12-08-51-002P2023-10-10. Service bulletin. EQUIPMENT; STRUCTURE. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
23-NA-1542023-10-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
18-NA-3062023-09-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
PIT5832J2023-09-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985B2023-09-18. Service bulletin. POWER TRAIN. 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.
PIT5857F2023-09-18. Service bulletin. STRUCTURE; EQUIPMENT:ELECTRICAL. This Preliminary information communicates that the High Voltage Voltage Battery pack is on TAC Exchange. For Engineering Review.
PIT5551L2023-09-18. Service bulletin. FORWARD COLLISION AVOIDANCE. 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".
PIT6044A2023-09-18. Service bulletin. BACK OVER PREVENTION:SOFTWARE. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
18-NA-3062023-09-13. Service bulletin. EQUIPMENT. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
09-00-89-016H2023-09-13. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
15-00-89-004F2023-09-08. Service bulletin. STEERING; SUSPENSION; ENGINE AND ENGINE COOLING; POWER TRAIN. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
01-00-89-010R2023-08-28. Service bulletin. EQUIPMENT. This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
22-NA-1142023-08-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
99-09-40-005I2023-07-28. Service bulletin. SEAT BELTS. This service bulletin provides information on availability for a seat belt extender.
22-NA-2152023-07-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.