There are 1 owner-reported engine complaints for the 2015 Cadillac ATSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Fuel and/or combustion problem leading to excessive emissions at unpredictable times. I mean so much smoke suddenly comes out that the driver behind can't see, and it seems the car may be on fire.
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 May 4, 2026