WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT61442024-04-15. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 caused by a pinched air inlet hose to the suspension compressor air leveling system.
PIT5832L2024-04-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT6129A2024-04-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6.
PIT6065E2024-04-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to technicians to perform the programming to the vehicles module to correct customer concerns.
PIT61292024-04-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6
24-NA-0552024-04-06. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of Removable Sky Panel Creak Pop Snap Noise Hot Interior Temps.
20-NA-1322024-04-05. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
10-08-45-001H2024-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
24-NA-0592024-03-29. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin advises the tech that they may have possibly installed the wrong drive unit fluid pump and need to check which module created the code.
23-NA-1032024-03-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
24-NA-0552024-03-29. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of Removable Sky Panel Creak Pop Snap Noise Hot Interior Temps.
N2324298802024-03-26. Service bulletin. ELECTRICAL SYSTEM. Service update - certain vehicles may have a software defect that causes a diagnostic trouble code (DTC) to set. Dealers are to reprogram the battery energy control module.
24-NA-0522024-03-20. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Radio software issues – Multiple Updates for IOK.
23-NA-1512024-03-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.
11-00-89-005X2024-03-19. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
07-00-89-037S2024-03-19. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIT6055B2024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates to the field on how to clear the Service Drivers Assist message with new software that is now available.
PIT6044G2024-03-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT5551N2024-03-18. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT6065D2024-03-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to technicians to perform the programming to the vehicles module to correct customer concerns.
24-NA-0402024-03-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
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).
17-NA-0732024-03-07. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
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.

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