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Event Brief

NHTSA expands probe of GM eBoost brake-by-wire failures

Filed: Aug 24, 2026 at 6:00 PM ET
Summary: The federal government is expanding a safety investigation into General Motors vehicles after receiving hundreds of reports of brake failure tied to GM’s eBoost brake-by-wire system. NHTSA has logged 227 incident reports, rising to 745 when including reports submitted to GM, with 22 crashes and six injuries reported.
WHO: NHTSA’s Office of Defects Investigation (ODI) and General Motors
WHAT: NHTSA expands its safety investigation into GM vehicles equipped with the eBoost brake-by-wire system after reports of brake failure and spindle fractures while driving.
WHEN: Aug 23, 2026 at 8:00 PM ET
WHERE: USA
WHY: Hundreds of reports alleged eBoost failures are followed by an immediate loss of braking, contradicting GM’s claim that critical safety features remain active until the car stops.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.

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