# 2026 GMC ACADIA — POWER TRAIN:CLUTCH ASSEMBLY:MASTER CYLINDER
> NHTSA complaint `2214743` · 2026-06-10 · General Motors, LLC
## Severity
- **Deaths:** 0
- **Injured:** 2
- **Fire:** No
- **Crash:** Yes
- **Police report:** Yes
- **Medical attention:** No
- **Vehicle towed:** Yes
## Vehicle
- **Make:** GMC
- **Model:** ACADIA
- **Year:** 2026
- **Manufacturer:** General Motors, LLC
- **Component:** POWER TRAIN:CLUTCH ASSEMBLY:MASTER CYLINDER
- **Miles at failure:** 4,700
## Narrative
The contact owns a 2026 GMC Acadia. The contact stated that while at a stop sign and depressing the brake pedal, the vehicle unintendedly accelerated and crashed into the rear passenger's side of a Semi Truck. Both the AEB  and the IAEB failed to engage during the incident. The vehicle sustained severe front-end damage. The contact stated that the air bags failed to deploy, and the Forward Collision Avoidance System failed to engage to prevent the crash. The driver sustained a neck and right shoulder injury. The front passenger seat occupant sustained a right arm and left leg injury, and a headache. No medical treatment was received. A police report was filed. The vehicle was towed away. The cause of the failure was not yet determined. The manufacturer was notified of the failure. The failure mileage was 4,700.
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · MORVS · CC0 1.0*