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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.

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By component

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
22-NA-1412022-07-20. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides Battery Service Guide information for electric vehicles (EV).
22-NA-1142022-07-01. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
N2223609002022-07-01. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. Customer Satisfaction Program. This bulletin contains the service procedure to enable Extract Mode on certain vehicles. This service procedure also corrects a potential calibration error that can cause a Service Leveling System message to erroneously appear on the DIC (Driver Information Center) during certain driving maneuvers. Dealers are to replace the position sensors and reprogram sequential programming.
22-NA-1152022-06-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
22-NA-1082022-06-06. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This informational bulletin provides information on Information on Trailer Side Faults.
22NA0202022-05-31. Service bulletin. SEATS; STEERING; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. This service bulletin provides warranty labor operation restriction information for dealers/technicians on Park Assist, Heated/Vented Seats, and/or Heated Steering Wheel Options and Features are Inoperative.
22NA0122022-05-31. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
22NA0052022-05-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information for dealers/technicians on Information on Opening / Closure Instructions for DDR (Damaged, Defective, Recalled) High Voltage Battery Dunnage / Container.
PIT59052022-05-16. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This Preliminary information communicates ordering process for front drive unit (S8L) and rear drive unit (P79) restriction for the 2022 MY GMC HUMMER EV and Brightdrop EV600.
PIT59042022-05-16. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ACCESSORY. This Preliminary information communicates an issue with the Charger stations/cord that can cause these codes to set, and that engineering is working on a software fix, to help with the Charger port Temp Codes. P0D9A, P298C, & P0E5F
22-NA-0052022-05-11. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Information on Opening / Closure Instructions for DDR (Damaged, Defective, Recalled) High Voltage Battery Dunnage / Container.
22-NA-0832022-05-03. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
PIT59032022-04-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Preliminary information communicates to General Motors dealers some helpful steps to diagnose the speed limit showing dashes concern.
22-NA-0202022-03-30. Service bulletin. ELECTRICAL SYSTEM; STEERING; SEATS. This warranty administration service bulletin provides warranty labor operation restriction information for dealers/technicians on Park Assist, Heated/Vented Seats, and/or Heated Steering Wheel Options and Features are Inoperative for vehicles that may have had options built without modules due to semiconductor shortage.
22-NA-0052022-03-30. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Information on Opening / Closure Instructions for DDR (Damaged, Defective, Recalled) High Voltage Battery Dunnage / Container.
PIT5882A2022-02-14. Service bulletin. ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS; AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:STATUS INDICATOR LAMP/LIGHT; AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:WARNING:LAMP. This Preliminary information communicates a list of DTC that Could be in the Car that causes no issues. Talking the dealer tech to ingore
PIT58822022-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Preliminary information communicates a list of DTC that Could be in the Car that causes no issues. Talking the dealer tech to ingore
PIT5857A2022-02-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary information communicates that the High Voltage Voltage Battery pack is not on TAC Exchange. For Engineering Review.
PIT58592022-01-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary information communicates that Parts that the ECS are on Restriction
PIT58772022-01-24. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. This Preliminary information communicates to dealer that GM engineering is working on a permanent solution for the concern and provides a work around
PIT58572022-01-24. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY. This Preliminary information communicates that the High Voltage Voltage Battery pack is not on TAC Exchange. For Engineering Review.
20NA1322021-12-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

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