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Cadillac Lyriq and Other GM EVs Can Lose Power

NHTSA campaign 24V320000 · Reported 2024-05-09 · General Motors, LLC

high How serious is it? About this label

Serious: losing drive power in traffic raises the risk of a crash, and while GM has not told owners to stop driving, you should get the repair done as soon as your dealer can take the vehicle.

What's wrong, in plain English

The wires inside the electric motor that drives the rear wheels may not be properly insulated. If two of them touch, the motor can lose power, and the vehicle can stop pulling while you are driving. Because these are electric vehicles, that means no power to the wheels at all. General Motors is fixing it by replacing the entire rear drive unit, the motor package at the back of the vehicle, free of charge at your dealer.

What you should do

1. Enter your VIN at nhtsa.gov/recalls to confirm your vehicle is included in campaign 24V320000.
2. Call your dealer to schedule the rear drive unit replacement, or reach customer service: Chevrolet 1-800-222-1020, Cadillac 1-800-458-8006, Hummer 1-800-732-5493, GMC 1-800-462-8782 (GM recall number N242447080).
3. Have the work done. The repair is completely free, including parts and labor.

Affected vehicles (5)

Who to contact

Cadillac — official Cadillac recall lookup

Customer service: 1-800-458-8006

Chevrolet — official Chevrolet recall lookup

Customer service: 1-800-222-1020

GMC — official GMC recall lookup

Customer service: 1-800-462-8782

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Official notice

Component
ELECTRICAL SYSTEM:WIRING
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.
Safety risk
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.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.