2022 GMC Hummer EV · Electrical & software
Electrical or software fault may disable vehicle functions
The high voltage battery pack enclosure may not be properly sealed, allowing water to enter the pack.
What the reviewed source says
Start with the documented condition, not a parts guess.
NHTSA campaign 22V771000 includes certain 2022 to 2023 GMC Hummer EV vehicles. General Motors, LLC (GM) is recalling certain 2022 BrightDrop EV600 and 2022-2023 GMC Hummer EV Pickup electric vehicles. The high voltage battery pack enclosure may not be properly sealed, allowing water to enter the pack. Water accumulation in the high voltage battery pack can cause a loss of drive power, increasing the risk of a crash.
Words owners may use
Does this match the moment?
Symptoms in the pattern
- Warning messages, a blank display, a no-start condition or loss of a vehicle function may occur
- An open campaign appears when the complete VIN is checked
- Some recalled vehicles may show no advance warning before the component fails
Vehicles and scope
- 2022 to 2023 GMC Hummer EV
- NHTSA campaign 22V771000
- The manufacturer filing lists 797 potentially affected units across the complete campaign.
- VIN eligibility determines whether this recall applies to an individual vehicle
Manufacturer position
What the official procedure directs
The remedy is currently under development. Owner notification letters were mailed April 13, 2023. Second letters will be sent once the remedy is available.
Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.
Original evidence
Open the documents behind this page.
Repair paths and safe checks
Separate the diagnosis from the action.
Use the official recall remedy
The remedy is currently under development. Owner notification letters were mailed April 13, 2023. Second letters will be sent once the remedy is available.
Do not buy parts from the campaign description alone. VIN scope, superseded remedies and parts availability can change.
What owners reported
Did this repair fix the same symptom on your car?
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Check the complete VIN before arranging work
Enter the 17-character VIN in NHTSA's recall lookup and ask the manufacturer or an authorised dealer to confirm whether the campaign is open for this vehicle.
A year, make and model match does not prove that every vehicle is included. The VIN result controls eligibility.
What owners reported
Did this repair fix the same symptom on your car?
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Useful before authorizing work
Read the method beside the problem
These guides explain the safety and evidence checks that apply to this problem file.
Check recalls by VIN
A VIN search checks the displayed NHTSA records for an unrepaired safety recall associated with one vehicle. A model search shows only the wider campaign population.
Read guide ↗When a car is unsafe
A warning light does not always mean the same thing, but weak brakes or smoke leave little room for experimentation. Damaged tires and certain recall instructions can do the same.
Read guide ↗Why symptoms overlap
“It makes a weird noise” is useful human language. Diagnosis begins when that language is tied to the exact vehicle and its operating conditions.
Read guide ↗More for this model
Other reviewed GMC Hummer EV conditions
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Air bag system safety defect
The front passenger air bag connection may have an improperly crimped wire, which can result in the air bag failing to deploy as intended.
2022 GMC Hummer EV · Electrical & software
Exterior lights may not operate correctly
Taillight software can cause one or both rear taillights to become inoperative, or remain fully or partially illuminated.
2026 GMC Hummer EV · Vehicle information
Incorrect safety information or certification label
The radio may not have been set to the correct status to download the electronic owner's manual during production.