2018 Chevrolet Volt fuel/propulsion system problems
69 owner complaints filed with NHTSA name the fuel/propulsion system on the 2018 Chevrolet Volt — 32% 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
“The Vehicle had a the BECM fail at 64,000 miles. This is a known issue that GM still refuses to recall, and is refusing to warranty”
filed Jul 31, 2026
“I was investigating a thumping sound coming from the vehicle when going over bumps. I discovered that the left fuel tank strap had completely broke into two pieces and was no longer holding up the tank. The fuel tank straps are not readily viewed on the vehicle until you lower/remove the underbody aerodynamic…”
filed Jul 28, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-180 · Service Bulletin/Repair Instructions · issued Sep 4, 2025
Fuel/propulsion System problems in other Volt years
| Year | Reports | Share |
|---|---|---|
| 2019 Volt | 2 | 6% |
| 2017 Volt | 233 | 34% |
| 2016 Volt | 63 | 37% |
| 2015 Volt | 10 | 23% |
| 2014 Volt | 19 | 20% |
| 2013 Volt | 53 | 17% |
| 2012 Volt | 37 | 15% |
| 2011 Volt | 6 | 12% |
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.