pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
7,208 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2014 Chevrolet Volt brakes problems

brakes problem

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2014 Chevrolet Volt Owner Comments

problem #3

Sep 272016


  • 14,000 miles


While backing up at low speed, my wife applied the brakes and the pedal went to the floor, she lifted her foot and applied the brakes and once again the pedal went to the floor. The car did not slow or stop. The speed was so low that the car came to a stop on its own when there was a small rise. The indicator light said "low traction". this occurred in a private parking lot. The car was backing straight with no steering.

- Sacramento, CA, USA

problem #2

Jul 032014


  • 2,825 miles
Warning lights for brakes, ABS, and stability control system illuminated on start up and backing out of the vehicle from a parking space. The brakes were mushy but would still stop the car but with much greater effort. The Volt apparently has a mechanical fail safe braking mechanism (other than the parking brake) in the braking system even if the hydraulic pressure fails. Contact with on star indicated a dtc of C1121 - left front hydraulic system leaking. There was no external evidence of brake fluid leaking on the vehicle and the master cylinder reservoir was at the maximum level. The vehicle was repaired by replacing the master cylinder since the brake pressure could not be maintained over 159 psig. While recognizing that any vehicle part can fail at anytime, failure of a brake master cylinder at such low mileage should be rare. This submission was only to help identify if the master cylinder in the 2014 Volt is failing at more than normal rates.

- Cedar Park, TX, USA

problem #1

Jun 192014

Volt 4-cyl

  • 4,800 miles
Incident occurred while coming to a stop at a traffic signal on city streets. Reached approximately 5 mph as I approached he intersection, when brake pedal went to floor, and normal braking failed. Pressing the pedal as hard as I could, was able to get car to a stop in 2 car lengths, but overran the limit line. Luckily there were no pedestrians or other vehicles in front of me. No injuries or property damage. Car was towed to dealership for diagnostics. Car reported "leaking brake circuit" via remote manufacturer diagnostics. Internal displays indicate "brake assist failure", "ABS failure" and "stabilitrak service required".

- Concord, CA, USA

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