2022 GMC Hummer EV Pickup Technical Service Bulletins

732 technical service bulletins (TSBs) are on record for the 2022 GMC Hummer EV Pickup. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11038684Oct 26, 2026Electrical system. Customer Satisfaction Program. Certain vehicles listed above may have a condition in which remanufactured high voltage battery packs were built using modules that were ineligible for reuse and require a second replacement. Dealers will replace the high voltage battery.
• 11038459Oct 7, 2026Other or unknown. This Preliminary information communicates how to resolve a issue where a vehicle is not receiving OTA updates
• 11038139Oct 5, 2026Other or unknown. This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool
• 11037980Oct 5, 2026Electrical system. Service Update. Certain vehicles listed above may enable the new King Crab Feature through OTA programming or programming at the dealer. Dealers will perform a comprehensive software update. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership.
• 11037555Sep 26, 2026Other or unknown. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
• 11037445Sep 15, 2026Other or unknown. This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly.
• 11037320Sep 10, 2026Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11037253Sep 4, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11037258Sep 3, 2026Other or unknown. This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly. Do not replace parts. Engineering is investigating the root cause; customers may continue to drive the vehicle. This PI will be updated or replaced by a TSB once a resolution is…
• 11037753Aug 25, 2026Other or unknown. • This update enables functionality for King Crab mode. • King Crab mode provides enhanced rear steering for off-road use • To enable this feature, press and hold the right four-wheel steering button on the Drive Mode selector for five seconds • For more information, refer to the Driving and Operating section in the owner's manual
• 11037752Aug 25, 2026Other or unknown. • Improved reliability for propulsion and acceleration
• 11036392Aug 20, 2026Other or unknown. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
• 11036498Aug 10, 2026Other or unknown. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates.
• 11035351Jul 24, 2026Other or unknown. This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
• 11035340Jul 21, 2026Other or unknown. PI to help diagnose A/C concern
• 11035129Jul 14, 2026Other or unknown. This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,
• 11034981Jul 8, 2026Other or unknown. This Preliminary information communicates on a software anomaly for a DTC that sets for the incorrect side and how to address that concern.
• 11034769Jun 23, 2026Other or unknown. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
• 11034001Jun 10, 2026Other or unknown. This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessary
• 11033755Jun 5, 2026Other or unknown. Technical Detail: This PI conveys that the vehicles listed may experience a condition where the vehicle is stuck in parallel condition with no codes resulting in slow DC charging and how to remedy this.
• 11033753Jun 5, 2026Other or unknown. This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool
• 11033186May 29, 2026Other or unknown. This Preliminary information communicates recovery procedure after return to dealer message.
• 11033150May 27, 2026Other or unknown. This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
• 11033130May 27, 2026Other or unknown. This Preliminary Information communicates possible conditions arising from corrosion on the JX310 splice pack that could affect vehicle operation including the ability to start, drive, charge their EV.
• 11032952May 21, 2026Other or unknown. 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.
• 11032948May 19, 2026Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11032764May 11, 2026Other or unknown. Pi created to provide GM dealers with information on gathering information for projection issue
• 11032763May 11, 2026Other or unknown. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
• 11032658May 8, 2026Other or unknown. PI created to provide dealer technicians with procedures for updating Google Maps.
• 11032625May 8, 2026Other or unknown. This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
• 11032624May 8, 2026Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11032621May 6, 2026Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11032622May 4, 2026Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11031749Apr 30, 2026Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11031745Apr 23, 2026Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11031278Apr 8, 2026Other or unknown. Technical Detail: This PI conveys that the BRFM (Battery Radio Frequency Module) becomes stuck/ logic locked in a state that requires an ENG level reset (RAD-wBMS).
• 11030974Apr 1, 2026Other or unknown. This preliminary information communicates information about how to determine if a wheel and tires size change is available.
• 11030092Mar 9, 2026Other or unknown. This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
• 11030091Mar 9, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11029958Mar 6, 2026Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11029949Mar 5, 2026Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11029444Mar 3, 2026Other or unknown. Certain vehicles may have been sold with a GM NACS Level 2 EV charging adapter (NACS to J1772) in which a quality issue was identified. Dealers are to provide the customer with the latest design charging adapter.
• 11029953Mar 2, 2026Other or unknown. This PI communicates information informing dealers that Engineering is aware of the clunk noise and is currently investigating a root cause.
• 11029950Mar 2, 2026Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
• 11029265Feb 23, 2026Other or unknown. This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, U3581, U3582, U3583, U3584, U2BAA, U2BAB, U2BAC, U2BAD, U2BAE,
• 11028701Feb 7, 2026Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11027932Jan 27, 2026Other or unknown. This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, failure over the air update, etc.
• 11027697Jan 16, 2026Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11027701Jan 14, 2026Other or unknown. This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
• 11027615Jan 10, 2026Other or unknown. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.

← All problems reported for the 2022 GMC Hummer EV Pickup