There are 3 owner-reported engine complaints for the 2011 Cadillac DTSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2011 CADILLAC DTS. THE CONTACT STATED THAT THEY NOTICED A LEAK UNDERNEATH THE FRONT OF THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO RIZZA CADILLAC BUICK GMC (8425 159TH ST, TINLEY PARK, IL 60487; (708) 429-6600) AND WAS INFORMED THAT THE VEHICLE WAS LEAKING OIL FROM THE ENGINE. THE CONTACT WAS INFORMED THAT THE FRONT AND REAR MAIN SEALS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 112,000.
TL* THE CONTACT OWNS A 2011 CADILLAC DTS. THE CONTACT STATED THAT THE VEHICLE WAS LEAKING OIL ONTO THE DRIVEWAY. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO EDDIE TOURELLE'S NORTHPARK HYUNDAI (953 HIGHWAY 190 N, COVINGTON, LA 70433, (985) 801-7000) WHERE IT WAS DIAGNOSED THAT THE RUBBER ON THE OIL PAN NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND DID NOT ASSIST. THE CONTACT WAS REFERRED TO NHTSA. THE FAILURE MILEAGE WAS 76,000.
TL* THE CONTACT OWNS A 2011 CADILLAC DTS. WHILE HAVING THE VEHICLE SERVICED, THE CONTACT OBSERVED OIL LEAKING FROM THE VEHICLE. THERE WERE NO WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE OIL PAN GASKET AND MOTOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 70,000.
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 25, 2026