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6.5

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
10,536 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2014 Chevrolet Sonic engine problems

engine problem

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2014 Chevrolet Sonic Owner Comments

problem #3

Jan 042021

Sonic

  • miles

A D V E R T I S E M E N T S

Since January I-??ve consistently had issues with my 2014 Chevy Sonic Hatchback, in particular, Codes 84, P2138, check engine light and traction control lights. (my job has us all working from home since March of 2020, so I only do local shopping, no long distance). Due to the codes mentioned above, my car was -??repaired-?? at dealership on January 4, 2012. In the end of March I was constantly getting the same codes over a period of two days. I called GM (1 800 462 8782) on March 29, spoke with a woman by the name of Michelle and I explained what has been happening with the vehicle codes, along with other issues over the past year. She opened a case file # 9-6627321866 and she called the dealership to discuss my issue. I was told to drop the car off and it will be repair at no cost to me. The car was brought to dealership on April 7, 2021 and when the diagnostic was preformed, it showed no codes in the history. They did no repair at that time and gave me back the car. While running local errand on April 17, all the same codes appeared and once again I had reduced engine power. I was near the dealership and dropped off the vehicle, even though the service department was closed at that time. Once again, a new pedal and sensor was installed. I told them to please keep the vehicle for a few days, test drive it once in a while to ensure it is truly repaired. They test drove it several times during the 4 days they had it and since there were no issues, I picked the vehicle up on April 22, 2021.On June 5, while driving to a store a nearby store, I was stopped at a light to make a left turn and all the codes suddenly came on. I had very little acceleration making the left turn. The vehicle approaching me which was a block and a half away was now very closely approaching me and luckily realized I had an issue and stopped. I immediately headed back home. AutoZone ran a diagnostic and it's the same issue.

- Piscataway, NJ, USA

problem #2

Mar 012017

Sonic

  • 31,000 miles
Twice in one month the car engine shut off while I was driving. Power steering was also lost. Mileage approx. 31,000. I was able to restart the car after putting it in park. The first time, I was turning, pulling into a parking lot, so I was able to drift into a parking spot safely. Second time I was in small town bumper to bumper traffic. Took my foot off the brake and stepped on the gas and nothing happened, so I put it in park and restarted it and it seemed fine after that. Took it to dealer where I bought it, they did nothing as the car was not throwing any codes and no warning lights were on. Second garage I went to also could not find an issue so they did nothing. Took it to another dealership and the car stalled on them as they were parking it, right after I had dropped it off. They kept it for almost a week and drove it 61 miles and could not recreate the stalling. They checked the car thoroughly and nothing appeared to be wrong with it. They checked all recalls and bulletins, nothing mentioned in those. The car would also "bounce" up and down when I was stopped at a red light. That was happening more frequently once the engine troubles started. I got my car back last night from the other dealer and didn't notice any "bouncing" so maybe they fixed something when they were checking the car, however the invoice stated all they did was a 27-point inspection and alignment check. No charge to me as car is still under warranty but warranty runs out in 5 months.

- Mechanicsburg, PA, USA

problem #1

May 162014

Sonic

  • 608 miles
At a stop light/sign with my foot on the brake the car will start to shake/lunge forward like the car is trying to go but cant because my foot is on the brake. It will happen within a mile after starting and driving my car and when it starts to shake it will last maybe 5 seconds. It happens 2 or 3 times a week especially when its cold outside.

- Bowling Green, KY, USA

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