Service bulletins for the 2025 GMC Hummer EV Pickup
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.
388 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 22-NA-005 | 2025-02-05. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. 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 | 2025-02-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| PIT5985J | 2025-02-03. Service bulletin. UNKNOWN OR OTHER. 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. |
| PIT6202D | 2025-02-03. Service bulletin. STRUCTURE:BODY. This Preliminary information communicates how to repair the e-Trunk if it has lost it's learn with a new software update |
| 25-NA-012 | 2025-01-31. Service bulletin. STRUCTURE:BODY. This technical bulletin provides repair information to correct a customer concern of Front Floor Console Center Compartment Door Stuck Closed. |
| 24-NA-132 | 2025-01-30. Service bulletin. UNKNOWN OR OTHER. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming. |
| 18-NA-180 | 2025-01-30. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information. |
| 24-NA-143 | 2025-01-24. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles. |
| 24-NA-113 | 2025-01-23. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions. |
| 24-NA-113 | 2025-01-23. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions. |
| N242451390-02 | 2025-01-21. Service campaign. UNKNOWN OR OTHER. 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. |
| PIT5854C | 2025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle. |
| PIT6209E | 2025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates recovery procedure after return to dealer message. |
| PIT5832T | 2025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| PIT5985H | 2025-01-20. Service bulletin. UNKNOWN OR OTHER. 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. |
| PIT6044M | 2025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes. |
| PIT6213B | 2025-01-20. Service bulletin. STRUCTURE:BODY. 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 | 2025-01-18. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. |
| 20-NA-132 | 2025-01-18. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. |
| 24-NA-257 | 2025-01-16. Service bulletin. SEAT BELTS; STRUCTURE:BODY. This technical bulletin provides a procedure to correct Rear Seat Belt Bezel Falls Off. |
| 24-NA-132 | 2025-01-16. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming. |
| 24-NA-045 | 2025-01-16. Service bulletin. STEERING; SERVICE BRAKES. This informational bulletin provides information on Pop/Creak Type Noise While Sitting Stationary and Turning Steering Wheel with Brakes Applied. |
| 24-NA-028 | 2025-01-16. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. This informational bulletin provides information on Power Tonneau Cover Diagnostic Tips. |
| PIE0753F | 2025-01-14. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION 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. |
| 24-NA-202 | 2025-01-09. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.