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Fitment notes: Auxiliary 12V battery; powers vehicle accessories and low-voltage systems when main EV battery is off
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Every control module on the 2023-2026 GMC Hummer EV SUV — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Electric Power Steering Control Module (EPSCM)3.5 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Integrated with steering gear assembly, front subframe center
🔧 GM SPS2 via MDI 2
⚠️ Includes CrabWalk and Extract Mode programming; steering angle sensor calibration required after replacement
📍 Under passenger seat, front mounting rail, passenger side
🔧 Autel IM608 or GM SPS2
⚠️ 14-way power seat with massage; position relearn after replacement
Rear Vision Camera Module (RVCM)0.7 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Integrated with liftgate handle assembly, rear center
🔧 Autel IM608 or GM SPS2
⚠️ Washer system integrated; camera aim calibration recommended
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Coupe, Corvette Convertible E-Ray, Equinox, Silverado 1500, 2500, 3500, Silverado EV, Suburban 1500, Tahoe, Traverse, GMC Acadia, Hummer EV Pickup, Hummer EV SUV, Sierra 1500, 2500, 3500, Sierra EV, Terrain, Yukon, and Yukon XL vehicles. The radio may not have been set to the correct status to download the electronic owner's manual during production. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, “Occupant Protection.”
Consequence: Without an owner's manual to consult, owners may not know how to safely use and operate the vehicle, increasing the risk of injury in a crash.
Remedy: Dealers will reset the vehicle radio, which will facilitate automatic download of the electronic owner’s manual, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GM customer service at 1-866-467-9700, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. The manufacturer's number for this recall is N252540430. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 26, 2026.
AIR BAGS:FRONTAL · 25V769000
2025-11-06
General Motors, LLC (GM) is recalling certain 2026 GMC Hummer EV Pickup and SUV vehicles. The front passenger air bag connection may have an improperly crimped wire, which can result in the air bag failing to deploy as intended.
Consequence: During a crash, an air bag that does not deploy as intended increases the risk of injury.
Remedy: Dealers will install a jumper harness, free of charge. Owner notification letters are expected to be mailed December 22, 2025. Owners may contact GMC customer service at 1-800-462-8782. GM's number for this recall is N252524530. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 6, 2025.
Wiper blades
SUV body style with rear wiper. Shares front windshield with pickup variant.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2026 GMC Hummer EV SUV 3X Tri Motor AWD and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.