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.

• 11019071May 27, 2025Other or unknown. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
• 11018659May 22, 2025Other 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.
• 11023367May 17, 2025Fuel system, Electrical system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
• 11023484May 16, 2025Fuel system, Electrical system. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
• 11023388May 15, 2025Fuel system, Electrical system. 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.
• 11018323May 15, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11024498May 14, 2025Fuel system, Electrical system. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
• 11024496May 14, 2025Electrical system, Fuel system. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
• 11024487May 14, 2025Electrical system, Fuel system. This service bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.
• 11023365May 14, 2025Fuel system, Electrical system. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 11018488May 14, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11023266May 9, 2025Electrical system, Fuel system. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update.
• 11023051May 8, 2025Forward collision avoidance. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
• 11018437May 8, 2025Other or unknown. This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
• 11018429May 6, 2025Other or unknown. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
• 11017910May 6, 2025Other or unknown. On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.
• 11017908May 6, 2025Other or unknown. On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.
• 11018426May 5, 2025Other or unknown. This Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6.
• 11023058May 3, 2025Body and structure, Electrical system. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the hood will not latch, open and/or gets stuck, hood ajar message displayed on driver information center (DIC), DTCs P257D, P257E, P257F, B1C80, B1C81, B1C85, B1C89, B1C8C, B1C8D, B1CB5 , B1CBF set.
• 11020260May 2, 2025Body and structure. This informational bulletin provides information on HUMMER EV Water Leak Diagnostic Tips.
• 11017374May 1, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11019755Apr 29, 2025Air bags, Electrical system, Seats. This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
• 11017332Apr 29, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11017780Apr 28, 2025Other or unknown. This Preliminary information communicates how to erase a DTC that is falsely setting due to a software concern with the Image Processing Module
• 11019624Apr 25, 2025Electrical system, Fuel system. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11019548Apr 23, 2025Electrical system. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11017315Apr 18, 2025Other or unknown. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal software concern
• 11017314Apr 18, 2025Other or unknown. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
• 11019516Apr 17, 2025Steering, Suspension, Transmission and drivetrain. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
• 11019370Apr 17, 2025Fuel system, Electrical system. This service bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.
• 11017293Apr 17, 2025Other or unknown. This Preliminary information communicates a normal charteristic with the outside passengers mirror and not to replace the mirror for a normal concern.
• 11017271Apr 16, 2025Other or unknown. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
• 11016990Apr 12, 2025Other or unknown. 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".
• 11016986Apr 11, 2025Other or unknown. This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
• 11019017Apr 10, 2025Electrical system. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
• 11017886Apr 9, 2025Electrical system, Fuel system. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
• 11017839Apr 8, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11017518Apr 4, 2025Electrical system, Body and structure. This service bulletin provides information on Power Tonneau Cover Diagnostic Tips.
• 11017502Apr 4, 2025Electrical system, Fuel system. This service bulletin provides diagnostic information for dealers/technicians on an Amber Light on Dual Level Portable Charge Cord Set.
• 11017595Apr 3, 2025Electrical system. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
• 11017244Mar 31, 2025Electrical system. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 11017246Mar 29, 2025Other or unknown. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
• 11017260Mar 26, 2025Fuel system, Electrical system. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11016160Mar 24, 2025Other or unknown. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
• 11016155Mar 24, 2025Other or unknown. This Preliminary information communicates Proper NACS charging adaptor usage.
• 11017207Mar 21, 2025Electrical system, Other or unknown. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
• 11017173Mar 21, 2025Fuel system, Steering, Brakes. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
• 11017016Mar 14, 2025Wheels. This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
• 11017031Mar 12, 2025Electrical system. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 11015572Mar 7, 2025Electrical system, Fuel system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.

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