N242447080 Insufficient Wire Insulation in Electric Motor – 2024 Cadillac Lyriq, Chevrolet Blazer EV, Chevrolet Silverado EV, GMC Hummer EV SUV, & GMC Sierra EV

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May 9, 2024 NHTSA CAMPAIGN NUMBER: 24V320000

Insufficient Wire Insulation in Electric Motor

A loss of drive power increases the risk of a crash.

 

NHTSA Campaign Number: 24V320

Manufacturer General Motors, LLC

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 10

 

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.

 

Remedy

Dealers will replace the rear drive unit, free of charge. Owner notification letters are expected to be mailed June 24, 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.

 

Check if your Vehicle has a Recall

 


Chronology :

A GM quality engineer submitted this issue to GM’s Speak Up For Safety (SUFS) program on April 11, 2024, after GM’s supplier of drive unit stator assemblies discovered that a line operator failed to apply an insulating “varnish” to some of the assemblies. These suspect assemblies may have been built into ten vehicles which were sold in the US.

GM opened a product investigation on April 16, 2024. GM’s investigation determined that the lack of varnish could eventually lead to wire-to-wire contact within the drive unit stator, resulting in propulsion shutdown without warning.

On May 2, 2024, GM’s Safety Field Action Decision Authority (SFADA) decided to conduct a safety recall. GM is not aware of any field incidents associated with this defect.

 


5 Affected Products

Vehicles

MAKE MODEL YEAR
CADILLAC LYRIQ 2024
CHEVROLET BLAZER EV 2024
CHEVROLET SILVERADO EV 2024
GMC HUMMER EV 2024
GMC SIERRA EV 2024

 


2 Associated Documents

Defect Notice 573 Report

RCLRPT-24V320-4446.PDF 215.909KB

 


Recall Acknowledgement

RCAK-24V320-8029.pdf 645.553KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V320&docType=RCL

 


 

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Last update on 2024-05-16 / Affiliate links / Images from Amazon Product Advertising API

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