There are 3 owner-reported fuel system complaints for the 2015 Chevrolet Sonicin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Vehicle shows P0420 code (Bad Catalytic Converter) at relatively low miles 92,000 miles on a 2015 model with a 1.8L engine.
Catalytic converter failed at 110,000 miles. Same exact catalytic converter recalled for 2013 and 2014 sonic models, for some reason not covered by the recall for 2015 models
2015 CHEVROLET SONIC HATCHBACK LTZ- FUEL FILLER TUBE LEAKING AT TANK CONNECTION, CAUSING GAS TO SPILL OUT ON GROUND. COULD BE A POTENTIAL A FIRE/EXPLOSION HAZZARD. DISCOVERED WHEN CHECK ENGINE LIGHT WAS ACTIVATED. RAN AN ODBII CODE CHECK INDICATING A P0442 ERROR "EMISSION SYSTEM LEAK-SMALL". OBSERVED GAS FLOWING TO THE GROUND AS THE CAR WAS BEING FILLED WITH GAS. HAD THE CAR LESS THAN 1-WEEK AFTER PURCHASING "USED" WITH 19K MILES.
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