Federal Regulators Deepen Probe into General Motors eBoost Brake-by-Wire Failures
Federal automotive safety regulators have expanded an engineering analysis into General Motors proprietary eBoost electronic braking hardware.
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The National Highway Traffic Safety Administration (NHTSA) opened the escalated probe after receiving reports of sudden loss of power brake assist in Cadillac Lyriq and Chevy Silverado EV models, leading to at least 22 collision incidents. Technical investigators suspect software signal dropouts in sensor communications.
The investigation underlines growing regulatory oversight surrounding safety-critical brake-by-wire automotive electronic architectures.