# 2018 CHEVROLET VOLT — SERVICE BRAKES
> NHTSA complaint `1498775` · 2018-09-12 · General Motors, LLC
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** No
- **Crash:** Yes
- **Police report:** Yes
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** CHEVROLET
- **Model:** VOLT
- **Year:** 2018
- **Manufacturer:** General Motors, LLC
- **Component:** SERVICE BRAKES
- **Miles at failure:** 4,100
- **Speed:** 5 mph
## Narrative
COLLISION OCCURRED ON E DENNY WAY IN SEATTLE, APPROX 3:20 PM ON A DOWNHILL SLOPE IN STOP-AND-GO TRAFFIC AFTER ABOUT 20 MINUTES OF CONSTANT BRAKE USE TO HOLD BACK THE CAR. ABOUT 2/3 OF THE WAY DOWNHILL THE BRAKES FAILED, NO RESISTANCE WHATSOEVER AND THE CAR ROLLED INTO THE VEHICLE IN FRONT, A DISTANCE OF ABOUT 15 FEET.  THIS WAS A ONE-OFF INCIDENT AND DID NOT RECUR SO FAR. GM  AND 3RD PARTY INSPECTORS FOUND NO ERROR CODES, BUT THE BRAKES INDEED FAILED, WHICH MAKES ME SUSPECT A DESIGN PROBLEM IN THE BRAKE-BY-WIRE SYSTEM THAT CONTROLS THE PEDAL PRESSURE AND MODULATED REGENERATIVE BRAKING. IT WAS LIKE SLIDING ON ICE, NO TRACTION WHATSOEVER.
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*