The United States initiates an investigation into 3,322 General Motors Cadillac Lyriq electric vehicles due to concerns regarding a potential loss of brake assist.

General Motors (GM) stated that the issue arises from the electronic brake control module, which contains an internal spindle susceptible to fracturing during an anti-lock braking system (ABS) event, as per a preliminary evaluation report from the National Highway Traffic Safety Administration (NHTSA).

The National Highway Traffic Safety Administration (NHTSA) in the United States announced on Monday that it has initiated a preliminary evaluation to examine reports concerning the loss of brake assist in 3,322 GM Cadillac Lyriq electric vehicles.

The NHTSA has received reports of a stiff brake pedal, accompanied by a "Brake System Failure" warning message during vehicle startup or while driving, prompting an evaluation of 2023 model year vehicles. GM has indicated that the electronic brake control module contains an internal spindle that may fracture during an anti-lock braking system (ABS) event, as stated in a preliminary evaluation report from the NHTSA. ABS is designed to prevent wheel lock and skidding during braking, thereby reducing the risk of accidents. As a result of the spindle fracture, affected vehicles may lose brake assistance, encounter speed restrictions, and experience reduced functionality in the ABS system, according to GM's remarks in the NHTSA report.

According to the NHTSA, GM has prepared an over-the-air update that will notify drivers if the spindle fractures.

Source: Auto news‍