2018 Chevrolet Volt engine problems
49 owner complaints filed with NHTSA name the engine on the 2018 Chevrolet Volt — 22% of all complaints for this model year.
What owners report
“While driving on a highway the car started to hesitate, a message appeared on the console "Propulsion power is reduced" and the engine light turn on. After driving some miles, a new message appeared: "Engine unavailable, service soon" and the car only ran on electric power, no motor engine. I had…”
filed Aug 5, 2026
“It was the XXX recall for the DTC P0442/check engine light code. The dealership said that the recall had been satisfied in 6/2020 by putting a buffer in to separate the 2 lines but not replacing the part. Now the exact same code DTC P0442/check engine light in the exact spot that occurred for the…”
filed Feb 8, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Volt years
| Year | Reports | Share |
|---|---|---|
| 2019 Volt | 3 | 9% |
| 2017 Volt | 181 | 26% |
| 2016 Volt | 48 | 28% |
| 2015 Volt | 8 | 19% |
| 2014 Volt | 9 | 10% |
| 2013 Volt | 37 | 12% |
| 2012 Volt | 26 | 11% |
| 2011 Volt | 4 | 8% |
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.