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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

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

Bulletins, newest first
22-NA-0832024-03-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
22-NA-1442024-03-07. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; STRUCTURE; LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This service bulletin provides a repair procedure to correct customer concerns of Power Windows, Door Locks and Outside Mirrors Inoperative, Unwanted Theft Alarm Activation, Random Messages Displayed on Driver Information Center (DIC).
24-NA-0272024-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable.
24-NA-0272024-02-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable.
22-NA-1142024-02-29. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
24-NA-0272024-02-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable.
23-NA-2022024-02-27. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for GMC HUMMER EV, Silverado EV, & BrightDrop.
23-NA-1492024-02-23. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; SERVICE BRAKES, HYDRAULIC; EQUIPMENT; ELECTRICAL SYSTEM. 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.
20-NA-0182024-02-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
18-NA-1802024-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
24-NA-0302024-02-23. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM. This informational bulletin provides information on when the customer engage SuperCruise, their vehicle will immediately veer to the left and center itself on the left-hand lane line. During normal driving and/or if normal/adaptive cruise is used a pull may not be noticed.
24-NA-0242024-02-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides information for dealers/technicians on Mobile Phone Inductive Charger Bin Liner Installation Tips.
18-NA-1802024-02-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
23-NA-1892024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
23-NA-0552024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
22-NA-1142024-02-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
PIE0753C2024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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-0152024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.
PIT61082024-02-12. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. This Preliminary information communicates to the field on how to diagnosis DTC's that are incorrectly identified by the Brake System Control Module (BSCM)
PIT6065C2024-02-12. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to technicians to perform the programming to the vehicles module to correct customer concerns.
23-NA-1512024-02-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.
PI0592I2024-02-02. Service bulletin. ELECTRICAL SYSTEM. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
23-NA-2022024-01-31. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for GMC HUMMER EV, Silverado EV, & BrightDrop.
PIT5962A2024-01-29. Service bulletin. ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIP59522024-01-29. Service bulletin. ELECTRICAL SYSTEM. This preliminary information communicates to all field technicians the imperative protocol that if any of the listed codes are detected, currently or historically, the specified procedure must be strictly followed prior to the replacement of any A28B secondary contactor assembly. This advisory highlights that the presence of these codes could be indicative of a potential calibration anomaly. By following the outlined procedure, it is likely that the concern can be resolved without the necessity for additional parts.

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