2012 Chevrolet Sonic electrical system problems
59 owner complaints filed with NHTSA name the electrical system on the 2012 Chevrolet Sonic — 17% of all complaints for this model year.
What owners report
“Reviving the p2138 code for throttle/accelerator sensor. Still getting code after replacing 3 accelerator peddles. Possible manufacture issue with wiring that water gets into connectors shorting out that system”
filed Jul 7, 2025
“We have had to deal with severe overheating issues and failing parts our entire ownership of this vehicle, both of which then cause other parts to fail, as the parts are so poorly made and heat sensitive. We have replaced the turbocharger (twice), intake manifold + valve cover (twice), catalytic…”
filed Jan 14, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Sonic years
| Year | Reports | Share |
|---|---|---|
| 2017 Sonic | 5 | 14% |
| 2016 Sonic | 11 | 23% |
| 2015 Sonic | 34 | 30% |
| 2014 Sonic | 48 | 32% |
| 2013 Sonic | 56 | 26% |
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.