Alternator/generator/regulator problems of the 2015 Chevrolet Sonic

Three problems related to alternator/generator/regulator have been reported for the 2015 Chevrolet Sonic. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Chevrolet Sonic based on all problems reported for the 2015 Sonic.

1 Alternator/generator/regulator problem

Failure Date: 05/26/2020

If you are driving in the rain and you have your high beams on the doors will unlock. The wipers will turn off, the rpm's race high accelrating the car into almost a spin if you do not counter correct the steering. The engine and radio shuts off at random times as well. Had a diagnostic check done, nothing wrong with the engine, electrical systems, battery or alternator. Was told it is a manufacturer is with the computer system, but NHTSA will not address the issue until someone get's killed, so general motors will not fix it, until they are in probate court. As a leo this is unacceptable behavior, especially after our government just bailed them out again with our tax money.

2 Alternator/generator/regulator problem

Failure Date: 08/30/2019

My chevy Sonic stalls while driving it. The engine shuts down, door locks cycle, lights go on and off, power steering and brakes go out, rpms drop, and until today, it turns back on, the rpms jump sky high, and the motor revs back to life and it goes fine again for awhile. But today it stalled sitting in mcdonalds parking lot and not only didn't start again, but had to be jumped. I can only imagine what would have happened if my granddaughter and I had her in heavy traffic when that happened! every other time it's been going down the road. One time I was in traffic and it almost caused an accident. It happens almost every day. Especially if I'm running the air conditioner. It happens at all speeds. I have taken it to 3 mechanics and it doesn't �throw any codes�. It did show a little issue with the alternator so we replaced it but it didn't charge anything. I've done some research and this is a common issue with several years of chevy Sonic cars. Unfortunately our outcry is going nowhere. Gm seems determined to ignore us until someone dies and they get sued. Can you please get them to recall the engine or whatever it is that's causing this issue? please?!!! thank you!.

3 Alternator/generator/regulator problem

Failure Date: 04/09/2019

The contact owns a 2015 Chevrolet Sonic. The contact stated that the key ceased in the ignition causing the battery to be drained. Roadside assistance was contacted and the vehicle was jump started. The vehicle was towed on three separate occasions to gerry wood Honda (414 jake alexander blvd south, salisbury, nc 28147) to be diagnosed however, the mechanic was unable to duplicate the failure. The battery and alternator were replaced however, the failure recurred. The contact referenced NHTSA campaign number: 16v257000 (equipment, electrical system) as a possible solution to the failure. The manufacturer was notified of the failure. The failure mileage was approximately 37,000.


Other Electrical System related problems of the 2015 Chevrolet Sonic



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Sonic Service Bulletins
Sonic Safety Recalls
Sonic Defect Investigations