Service bulletins for the 2022 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.
731 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Fuel system are shown. Show all
| PIE0788A | 2024-05-31. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to MIL illuminated on DIC to correct BET and BEV3 Ultium Packs Setting Moving Average Voltage Detection (MAVD) and Delta Voltage Rest Period (DVRP) Fault Codes. |
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| 21-NA-043 | 2023-04-13. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; WHEELS; ENGINE AND ENGINE COOLING. This informational 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. |
| 150089004D | 2022-06-13. Service bulletin. FUEL SYSTEM, OTHER. 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. |
| 21-NA-043 | 2022-06-02. Service bulletin. FUEL SYSTEM, GASOLINE; SERVICE BRAKES; ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; WHEELS. This informational 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. |
| 18NA361 | 2022-05-31. Service bulletin. FUEL SYSTEM, GASOLINE. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. |
| 18NA235 | 2022-05-31. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns. |
| 18NA103 | 2022-05-31. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.