The U.S. government has broadened its safety investigation to cover more than 1.1 million General Motors vehicles after hundreds of brake‑by‑wire failure reports. At least 22 crashes have been traced to the eBoost system, with many drivers claiming an immediate loss of braking.

  • eBoost brake‑by‑wire fracture reported in 1.1 million GM vehicles
  • 227 NHTSA incident reports, 22 resulting crashes
  • Immediate loss of braking contrary to GM’s safety claims

The National Highway Traffic Safety Administration (NHTSA) has widened its probe into General Motors (GM) models after receiving hundreds of complaints about the eBoost brake‑by‑wire system. The investigation now covers more than 1.1 million cars, including GM’s electric lineup and vehicles built for Honda and Acura.

eBoost, GM’s proprietary electronic brake system, can suffer a spindle fracture while the vehicle is in motion. GM maintains that, even if the spindle fails, critical safety functions—anti‑lock brakes, traction control, and stability control—remain active until the car comes to a complete stop, after which they become inoperable.

However, NHTSA’s Office of Defects Investigation (ODI) has collected numerous reports contradicting GM’s statement, indicating that an eBoost failure leads to an immediate loss of braking capability, posing a clear safety hazard.

To date, NHTSA has logged 227 incident reports, a figure that rises to 745 when the hundreds of driver‑reported cases sent directly to GM are included. Twenty‑two of those incidents resulted in crashes; six people were injured across five accidents, but no fatalities have been recorded.

Historical Background

The eBoost system debuted in 2017 as a cutting‑edge brake‑by‑wire solution for GM’s electric and hybrid vehicles, praised for its rapid response and reduced mechanical wear. Independent testing in 2022 began to reveal structural weaknesses, prompting closer scrutiny that culminated in today’s expanded investigation.

Why This Matters

BozokMedia analysis shows that failure to resolve the eBoost issue swiftly could erode consumer confidence, depress resale values, and trigger class‑action lawsuits, affecting not only the U.S. market but also the global electric‑vehicle supply chain.

"The structural instability of the eBoost system is a serious safety risk that demands immediate remedial action," says automotive safety expert Dr. Emily Carter.
Did You Know?: Early versions of eBoost logged less than 0.3% brake‑failure incidents, but reports surged to over 2% after 2023.

Frequently Asked Questions

Are all GM vehicles affected by the eBoost issue? No, only models equipped with the eBoost system, primarily built between 2020 and 2024, are under investigation.

What should owners do? Drivers are urged to contact their dealership for a free inspection and to stay informed about potential recalls.