This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗2015 Chevrolet Volt powertrain problems
moderate Owners of the 2015 Chevrolet Volt have filed 6 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
| Model year | powertrain complaints |
|---|---|
| 2011 Volt | 3 |
| 2012 Volt | 20 |
| 2013 Volt | 23 |
| 2014 Volt | 4 |
| 2015 Volt (this page) | 6 |
| 2016 Volt | 51 |
| 2017 Volt | 216 |
| 2018 Volt | 82 |
| 2019 Volt | 16 |
When does it fail?
Of the 6 powertrain complaints filed for the 2015 Chevrolet Volt, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA powertrain complaint has been filed on this vehicle in over 10 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
full bulletin at NHTSA ↗GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
full bulletin at NHTSA ↗This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
full bulletin at NHTSA ↗This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
Friday october 30 at 1 pm pacific coast time, my volt lost all power on the middle of the san mateo bridge. There was no shoulder and the car went from 70 miles an hour to a dead stop in about 100 ft. I had a "propulsion system failure" message on the display screen. I was nearly rear-ended by a semi, who in turn nearly turned over trying to swerve out of my lane. The semi nearly pushed another…
On 8/30/19, I started the vehicle to find the center console in the vehicle is completely blank and the computer controlling the screen is failing to boot. As a result, the operator cannot control the amperage at which the vehicle charges resulting in a reduced charge/range. Additionally, the voice command, stereo, climate control and reverse camera are inoperative. Further, all vehicle controls…
Common questions
How serious is the powertrain problem on the 2015 Chevrolet Volt?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 6 complaints filed, powertrain issues most often appear around 39,833 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.