2018 Chevrolet Volt power train problems
82 owner complaints filed with NHTSA name the power train on the 2018 Chevrolet Volt — 38% of all complaints for this model year.
What owners report
“I was driving my 2018 Chevy Volt at about 30 mph on EV mode. The battery was at 50%, the car was performing normally. Then the battery jumped to 100%, the check engine light came on, and the vehicle lost power. I was in rush hour traffic and unable to get the vehicle to go faster than 5-10 mph. I…”
filed May 1, 2026
“The vehicle (2018 Chevrolet Volt) is experiencing an intermittent failure of the Battery Energy Control Module (BECM). Diagnostic trouble code P1E5B was stored in the system. This is a well-documented defect in this vehicle population that frequently results in a sudden, unexpected loss of…”
filed Apr 29, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Volt years
| Year | Reports | Share |
|---|---|---|
| 2019 Volt | 16 | 47% |
| 2017 Volt | 219 | 32% |
| 2016 Volt | 51 | 30% |
| 2015 Volt | 6 | 14% |
| 2014 Volt | 4 | 4% |
| 2013 Volt | 24 | 8% |
| 2012 Volt | 22 | 9% |
| 2011 Volt | 3 | 6% |
Other reported problem areas on the 2018 Chevrolet Volt
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.