There are 1 owner-reported fuel system complaints for the 2011 Cadillac DTSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
CHECK ENGINE LIGHT KEEPS COMING ON AFTER A CHECK AND RESET. THE CAR HAS A LOST OF POWER AND RUNS REAL SLOW THAN ITS LIKE THE PROBLEM NEVER EXISTED. THIS IS THE CODE I KEEP GETTING. P0420 CODE BAD CATALYTIC CONVERTER
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