Vehicle recall 24V320000 · May 9, 2024
Chevrolet Blazer EV, GMC Hummer EV Pickup and 3 more models
The electric motors in the rear drive units may have insufficiently insulated wires that can contact each other, resulting in a loss of drive power.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- General Motors, LLC (GM) is recalling certain 2024 Cadillac Lyriq, Chevrolet Blazer EV, Chevrolet Silverado EV, GMC Hummer EV SUV, and GMC Sierra EV vehicles. The electric motors in the rear drive units may have insufficiently insulated wires that can contact each other, resulting in a loss of drive power.
- Consequence
- A loss of drive power increases the risk of a crash.
- Remedy
- Dealers will replace the rear drive unit, free of charge. Owner notification letters were mailed May 16, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; Hummer customer service at 1-800-732-5493; or GMC customer service at 1-800-462-8782. GM's number for this recall is N242447080.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Recall details
- NHTSA campaign
- 24V320000
- Reported to NHTSA
- May 9, 2024
- Filed by
- General Motors, LLC
- Manufacturer campaign
- N242447080
- Owner notification
- May 16, 2024
- Vehicles potentially affected
- 10
- Initiated by
- the manufacturer
- Components
- Electrical system › Propulsion system; Electrical system › Wiring
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Cadillac Lyriq (2024): 2024
- Chevrolet Blazer EV (2024): 2024
- Chevrolet Silverado EV (2024): 2024
- GMC Hummer EV Pickup (2024): 2024
- GMC Sierra EV (2024): 2024
Has your Cadillac been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Cadillac dealer can also check your VIN. Recall repairs are free.