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Service bulletins for the 2023 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.

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

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

Bulletins, newest first
20-NA-1322024-11-09. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
22-NA-0962024-11-09. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
23-NA-0642024-11-05. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
24-NA-0152024-10-30. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.
24-NA-2022024-10-29. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides dealers Warranty Administration - North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
PIT62452024-10-25. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates the need to program the BECM before replacement of the high Voltage battery.
PIT6202B2024-10-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates how to properly relearn the e-Trunk if it has lost it's learn.
24-NA-1692024-10-22. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This technical bulletin provides repair information to correct a customer concern of Super Cruise Dropping Out After Driving 30–60 Seconds and/or Service Driver Assist Message Illuminated with DTCs U1626, U3000, and/or B2BA1.
22-NA-2352024-10-17. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.
24-NA-0522024-09-27. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Radio software issues – Multiple Updates for IOK.
24-NA-1682024-09-25. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information on Radio Software release Version Z172.6 – Multiple Updates for IOK to correct customer concerns of radio software issues.
22-NA-0832024-09-21. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
PIE0753D2024-09-19. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; POWER TRAIN. 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.
N2424361702024-09-18. Service campaign. ELECTRICAL SYSTEM. Customer Satisfaction Program - vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
24-NA-1432024-09-16. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
23-NA-0442024-09-11. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
PIT62152024-09-11. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
PIT6118B2024-09-04. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates to dealer on how to check for an OTA update pending
PIT61912024-09-04. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates a reset procedure for a possible anomaly within the driver’s monitoring camera, If the reset procedure is unsuccessful the drivers monitoring camera will require replacement.
General Communication2024-08-26. Service campaign. ELECTRICAL SYSTEM. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
24-NA-1432024-08-16. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
24-NA-1322024-08-16. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
24-NA-1132024-08-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
PIT5985D2024-08-16. Service bulletin. ELECTRICAL SYSTEM. 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.
PIT6139C2024-08-15. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates to the field on how to clear the Service Drivers Assist message with new software that is now available.

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