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The National Highway Traffic Safety Administration (NHTSA) announced Monday that the agency’s Investigations Division has begun a preliminary evaluation after receiving multiple reports that Cadillac Lyriq electric vehicles are losing brake boost assist.
The Cadillac Lyriq electric vehicle (EV), a subsidiary of General Motors, made its world premiere at the media day of the Shanghai Motor Show held in Shanghai, China on April 19, 2021. (Reuters/Allie Song/Reuters Photo)
According to the agency’s notice, field reports indicate that 2023 Lyriq models have had instances where the brake pedal would hit hard during startup or while driving, followed by a “brake system failure” message. .
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General Motors, which owns Cadillac, acknowledged that the internal spindle of the electronic brake control module, known as eBoost, can break during an anti-lock braking system (ABS) event, the agency said.
General Motors World Headquarters Office at Renaissance Center in Detroit. (Paul Hennessy/SOPA Images/LightRocket via Getty Images/Getty Images)
ABS prevents the wheels from locking up or slipping when you brake, further reducing the risk of an accident.
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GM said in the NHTSA report that a broken spindle could cause the vehicle to lose brake assist, be subject to speed restrictions and lose some ABS functionality.
GM did not immediately respond to FOX Business’ request for comment.
| ticker | safety | last | change | change % |
|---|---|---|---|---|
| GM | general motors company | 42.59 | -0.48 | -1.13% |
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GM has not announced a recall for the 3,322 affected vehicles, but is preparing an over-the-air update to alert drivers if the spindle breaks, NHTSA said.
Reuters contributed to this report.
