The US National Highway Traffic Safety Administration (NHTSA) reportedly said on Monday it had opened a preliminary evaluation to investigate claims related to loss of brake assist for 3,322 GM Cadillac Lyriq electric vehicles.
According to Reuters, the NHTSA said it had received reports of a hard brake pedal, followed by a Brake System Failure message at start up or while driving. The evaluation covers 2023 model year vehicles.
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According to a NHTSA preliminary evaluation report cited by the news agency, GM said the electronic brake control module has an internal spindle that can fracture during an anti-lock braking system (ABS) event.
Due to the spindle fracture, the vehicles can lose brake assist, experience speed limitation, and ABS would lose some functionality, GM said in the NHTSA report cited by Reuters.
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