2012 Chevrolet Sonic power train problems
154 owner complaints filed with NHTSA name the power train on the 2012 Chevrolet Sonic — 44% of all complaints for this model year.
What owners report
“The contact owns a 2012 Chevrolet Sonic. The contact stated that on several occasions, while coming to a stop, the vehicle unexpectedly remained in second gear. There were no warning lights illuminated. The contact stated that several attempts were needed for the vehicle to shift into another gear…”
filed Feb 25, 2026
“The contact owns a 2012 Chevrolet Sonic. The contact stated while driving 75 MPH, the vehicle lost power. The check engine OBD reader had lost communication with the transmission. The contact merged to the side of the road. The contact then went to auto parts store and attempted to change the speed…”
filed Apr 14, 2025
“Transmission shaft malfunction. Doesn't shift out of 1st gear. Transmission does not engage into gear.”
filed Feb 2, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- In the affected vehicles, the transmission turbine shaft may fractureCampaign 14V315000 · Jun 12, 2014
Power Train problems in other Sonic years
| Year | Reports | Share |
|---|---|---|
| 2017 Sonic | 1 | 3% |
| 2016 Sonic | 3 | 6% |
| 2015 Sonic | 12 | 11% |
| 2014 Sonic | 20 | 13% |
| 2013 Sonic | 38 | 18% |
Other reported problem areas on the 2012 Chevrolet Sonic
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.