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.

• 10237396May 31, 2023Equipment, 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.
• 10237687May 25, 2023Vehicle speed control. This Preliminary information communicates to the dealers on the process to be able to order a replacement High Voltage battery pack for a vehicle that has a High Voltage battery battery concern and is not on the current open recall list.
• 10237349May 22, 2023Equipment. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10237340May 22, 2023Wheels. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
• 10236317May 15, 2023Equipment. Customer Satisfaction Program. Certain vehicles may have a condition where the Super Cruise map is out of date. Dealers are to replace the automated driving mapping module and reprogram the image processing module.
• 10236316May 15, 2023Equipment. Customer Satisfaction Program. Certain vehicles may have a condition where the Super Cruise map is out of date. Dealers are to replace the serial data gateway and automated driving mapping modules and reprogram the image processing module.
• 10236322May 12, 2023Equipment, Electrical system. This informational bulletin provides information for dealers/technicians on Information on Opening / Closure Instructions for DDR (Damaged, Defective, Recalled) High Voltage Battery Dunnage / Container.
• 10237651May 11, 2023Back-over prevention (rear camera). This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 10236102May 8, 2023Transmission and drivetrain. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to a MIL Illuminated on DIC with DTCs P31A0, P31A1, P31A2, P31A3, P31A4 and/or P31A5 Set.
• 10236041May 3, 2023Exterior lighting. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
• 10235256May 1, 2023Equipment. Service Update. On certain vehicles, equipped with an accessory power tonneau cover (RPO 5KM), the power tonneau cover may be inoperative. Dealers are to replace the electronic control unit.
• 10235799Apr 27, 2023Wheels. This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
• 10235805Apr 26, 2023Equipment, Body and structure. This informational bulletin provides information for dealers/technicians on front license plate adapter bracket installation during PDI.
• 10236165Apr 25, 2023Electrical system. This Preliminary information communicates of a software concern that General Motors is working on a fix for
• 10235798Apr 25, 2023Other or unknown. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10235088Apr 25, 2023Electrical system. Customer Satisfaction Program - certain vehicles may have a “Service Trailer Brake” message set when a trailer with electric brakes is connected and the driver attempts to use the manual apply slider on switch or depress the brake pedal while towing. Dealers are to replace the Trailer Brake Control Switch.
• 10236163Apr 24, 2023Engine cooling. This Preliminary information communicates to the field that water hitting the cooling fans can set a false DTC: P0494 for the 2022-2024 HUMMER EV.
• 10236162Apr 21, 2023Equipment. This Preliminary information communicates that Parts that the ECS are on Restriction
• 10235716Apr 21, 2023Wheels. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
• 10236159Apr 19, 2023Visibility (wipers, defrost, mirrors). This Preliminary information communicates how to properly remove the outside mirror to add the GM Accessory Outside Rearview Mirror Projection Lights without breaking the mirror glass.
• 10235763Apr 19, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.
• 10235713Apr 19, 2023Equipment. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 10236151Apr 14, 2023Suspension. This Preliminary information communicates to the field that engineering contacts to assist in the diagnosis of Suspension concerns on the new 2022-2024 HUMMER EV.
• 10236150Apr 14, 2023Equipment. This Preliminary information communicates to the field a norml charteristic of the vehicle and advises the field not to replace any parts for this concern.
• 10236149Apr 14, 2023Visibility (wipers, defrost, mirrors). This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022-2024 HUMMER EV and the 2023 LYRIQ.
• 10236148Apr 14, 2023Engine cooling. This Preliminary information communicates ordering process for front drive unit (S8L) and rear drive unit (P79) restriction for the 2022 MY GMC HUMMER EV and HUMMER EV SUV.
• 10234132Apr 12, 2023Body and structure. Service Update. On certain vehicles, water may leak at the center roof lift off panel insert or center roof lift off rear panel weatherstrip. Dealers are to replace the center roof lift off panel assembly and the center roof lift off rear panel assembly.
• 10236145Apr 11, 2023Electrical system. This Preliminary information communicates that the High Voltage Voltage Battery pack is on TAC Exchange. For Engineering Review.
• 10235617Apr 11, 2023Electrical system, Brakes. This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
• 10234621Apr 6, 2023Other or unknown, Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10234620Apr 6, 2023Equipment. This service bulletin provides information on proper use of floor mats.
• 10235561Apr 4, 2023Steering, Engine cooling, Body and structure, Transmission and drivetrain…. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10235398Apr 4, 2023Equipment, Electrical system, Engine cooling. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10236130Apr 3, 2023Other or unknown. This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
• 10235405Apr 3, 2023Electrical system, Equipment. 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.
• 10234167Mar 28, 2023Equipment. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
• 10234154Mar 24, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.
• 10234235Mar 23, 2023Engine cooling, Equipment, Visibility (wipers, defrost, mirrors). This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022-2023 HUMMER EV and the 2023 LYRIQ.
• 10234234Mar 23, 2023Equipment. This Preliminary information communicates to the field that water hitting the cooling fans can set a false DTC: P0494 for the 2022-2023 HUMMER EV.
• 10234233Mar 23, 2023Equipment. This Preliminary information communicates to the field a norml charteristic of the vehicle and advises the field not to replace any parts for this concern.
• 10234163Mar 23, 2023Equipment, Electrical system. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
• 10234148Mar 23, 2023Equipment, Electrical system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
• 10234149Mar 21, 2023Equipment, Electrical system. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
• 10234147Mar 20, 2023Equipment, Body and structure. This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
• 10234144Mar 20, 2023Engine cooling, Electrical system, Wheels, Fuel system. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
• 10234118Mar 17, 2023Equipment, Electrical system. This engineering information (EI) closure ends the need for further information from technicians in regards to the power tonneau cover being inoperable.
• 10234222Mar 16, 2023Equipment. This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
• 10234107Mar 16, 2023Electrical system, Equipment. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
• 10234216Mar 13, 2023Suspension. This Preliminary information communicates to the field that engineering contacts to assist in the diagnosis of Suspension concerns on the new 2022-2023 HUMMER EV.
• 10233358Mar 10, 2023Electrical system, Equipment. This service bulletin provides information on AGM batteries that require less frequent charging in storage.

← All problems reported for the 2022 GMC Hummer EV Pickup