There are 1 owner-reported electrical system complaints for the 2019 Chevrolet Sonicin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The thermostat housing and water pump keeps failing and leaking.The seat heaters dont work. The car started leaking antifreeze real bad which cause it to overheat and lock up. Yes it has been confirm by a dealer that alot of the chevys been coming for new thermostat housing and water pumps. No vehicle was only inspected by a dealer. The overheating like came on and then 10 seconds later the car locked up
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026