2015 Chevrolet Sonic Engine cooling Problems
- Complaints
- 3about this part
- Share
- 3%of 114 total for the year
- Median mileage
- 86,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2015 Chevrolet Sonic, 3% of the 114 complaints for this model year. Where a mileage was given, the median is 86,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2015 Chevrolet Sonic. The contact stated that while operating the vehicle, the check engine light remained illuminated. The vehicle was taken to the local mechanic who diagnosed that the catalytic converter was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was offered. The local dealer was not contacted. The failure mileage was 115,000.”
NHTSA complaint #11640293, filed 2025-02, 115,000 miles“The contact owns a 2015 Chevrolet Sonic. The contact stated that while operating the vehicle, the odor of exhaust fumes was present inside the cabin of the vehicle. The vehicle was taken to an independent mechanic who diagnosed that the catalytic converter was faulty and needed to be replaced. The vehicle was not yet repaired. The local dealer was notified of the failure, but no assistance was offered. The manufacturer was not yet notified of the failure. The VIN was not available. The failure mileage 86,000.”
NHTSA complaint #11490021, filed 2022-10, 86,000 miles“The contact owns a 2015 Chevrolet sonic. The contact stated that while driving at approximately 25 MPH, there was white smoke coming from under the hood of the vehicle. The contact mentioned that once the vehicle was to the side of the road, the contact noticed that there was antifreeze all over the engine. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the rear water outlet needed to be replaced. The vehicle was repaired however, the failure recurred twice. The manufacturer was not notified of the failure. …”
NHTSA complaint #11442568, filed 2021-12, 75,000 milesRelated service bulletins
- 10251890Mar 13, 2024This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
- 10250775Feb 22, 2024This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10250505Feb 7, 2024This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
- 10250503Feb 7, 2024This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
- 10250347Feb 2, 2024This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and…
- 10250272Jan 30, 2024This service bulletin provides a information and diagnostic steps/tips for vehicles that are slow to heat up in cold temperatures.
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10247192Dec 8, 2023This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- 10245395Nov 6, 2023This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing…
- 10244273Oct 6, 2023This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
Engine cooling: other model years
Other parts of the 2015 Chevrolet Sonic
34 complaintsAir bags
27 complaintsEngine
23 complaintsOther or unknown
22 complaintsFuel system
12 complaintsTransmission and drivetrain
12 complaintsSteering
6 complaintsBrakes
5 complaintsElectronic stability control
4 complaintsEquipment
4 complaintsExterior lighting
3 complaintsWheels
3 complaints
← All problems reported for the 2015 Chevrolet Sonic
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology