There are 39 owner-reported engine complaints for the 2006 Cadillac DTSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2006 Cadillac DTS. The contact stated he became aware that oil was leaking underneath the vehicle. The vehicle was taken to the dealer and the oil pan was replaced; however, the failure reoccurred and the oil pan was replaced again. The manufacturer was not contacted. The failure mileage was 132,000.
The contact owns a 2006 Cadillac DTS. The contact stated while inspecting the vehicle, he became aware that the oil pan was leaking. There was no warning light illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the oil pan needed to be replaced. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 104,000. Consumer stated leak in the oil pan and vehicle is at the dealership.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THE VEHICLE WAS LEAKING ENGINE OIL. THE VEHICLE WAS TAKEN TWO INDEPENDENT MECHANICS FOR INSPECTION AND THE CONTACT WAS INFORMED THAT THE ENGINE NEEDED TO BE REMOVED TO LOCATE WHERE THE ENGINE OIL LEAK ORIGINATED FROM. THE CONTACT STATED THAT THE VEHICLE WAS ALSO TAKEN TO AN UNKNOWN CADILLAC DEALER FOR A DIAGNOSTIC TEST AND THE CONTACT WAS INFORMED THAT ENGINE OIL LEAK WOULD GET WORSE OVER TIME. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT CONTACTED NOR INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS 93,000. *BF*JB
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT WHEN THE VEHICLE WAS MOVED FROM THE PARKING SPOT AT THE RESIDENCE, THERE WAS AN EXCESSIVE AMOUNT OF OIL ON THE GROUND. THE VEHICLE WAS TAKEN TO NISSANI BROS CHEVROLET LOCATED AT 6101 W SLAUSON AVE, CULVER CITY, CA 90230, TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE ENGINE NEEDED TO BE REPLACED. THE CONTACT WAS ALSO INFORMED THAT IF THE ENGINE WAS NOT REPLACED, CAREFUL ATTENTION SHOULD PLACED ON THE OIL LEVEL AT ALL TIME. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 114,600.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT THERE WAS EVIDENCE OF AN EXCESSIVE OIL LEAK UNDERNEATH THE VEHICLE. THE VEHICLE WAS TAKEN TO HUBER CADILLAC SERVICE (11102 W DODGE RD, OMAHA, NE 68154) WHERE THE OIL LEAK WAS CONFIRMED. THE VEHICLE WAS NOT REPAIRED. TH *JSE MANUFACTURER WAS NOTIFIED OF THE FAILURE HOWEVER, NO ASSISTANCE WAS OFFERED. THE FAILURE MILEAGE WAS APPROXIMATELY 75,000.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT WHEN THE VEHICLE WAS MOVED FROM THE PARKING SPOT IN THE DRIVEWAY AT THE RESIDENCE, THERE WAS AN EXCESSIVE AMOUNT OF OIL ON THE GROUND. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE OIL LEAKED FROM THE CAMSHAFT. THE VEHICLE WAS NOT REPAIRED. NEITHER THE DEALER NOR THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 143,000.
I BOUGHT A USED 2006 DTS CADILLAC FROM A DEALER IN OH. BROUGHT IT HOME AND HAD MY MECHANIC GO THRU IT. HE SHOWED ME AN OIL LEAK AND SAID THE OIL PAN GASKET HAD BEEN REPAIRED. MY MECHANIC SAID HE WOULD NOT FIX THE LEAK BECAUSE THERE WAS TOO MUCH INVOLVED. I HAVE SINCE SEEN THAT THIS A COMMON PROBLEM WITH THIS YEAR VEHICLE. SHOULD BE A RECALL. I CAN NOT AFFORD TO GET THIS FIXED. ALSO FOUND OUT THERE WERE 4 OTHER RECALLS ON THIS CAR. CADILLAC SHOULD HAVE A RECALL FOR THIS OIL LEAK. MILEAGE IS 81,000
I OWN A 2006 CADILLAC DTS WHICH I BOUGHT AT AN AUCTION WITH 138,000 MILES. WELL MAINTAINED AND ZERO OBD2 CODES. IT RAN GREAT BUT HAD A SMALL OIL LEAK WHICH HAS PROGRESSED TO THE WHOLE UNDERSIDE OF THE PASSENGER ENGINE BEING WET WITH OIL. SEEMS TO BE COMING FROM EITHER THE CRANKCASE OR OIL PAN GASKET WHICH ARE BOTH REQUIRED TO PULL THE ENGINE TO REPAIR, EXTREMELY EXPENSIVE AND THE AVERAGE PERSON CANNOT AFFORD THESE REPAIRS. HORRIBLE DESIGN FOR SUCH A DIFFICULT ENGINE TO WORK ON. OTHER THEN THAT THE CAR RUNS EXTREMELY WELL, NO OTHER PROBLEMS AND HAS BEEN WELL MAINTAINED BY ME AND PREVIOUS OWNER. I LOVE THE CAR BUT IF I HAVE TO PAY OVER $2K FOR THESE KIND OF REPAIRS THAT I CANNOT DO MYSELF THEN I WILL NEVER OWN ANOTHER GM CAR. NEEDS TO BE A RECALL ON BOTH THE CRANKCASE AND OIL PAN AS THERE ARE MANY COMPLAINTS OF THESE ISSUES. OIL SHOULD NOT LEAK FROM A PARKED CAR NOT RUNNING. DANGEROUS FOR THE ENVIRONMENT AND OTHER DRIVERS. NO WONDER WERE HAVING ISSUES WITH THE ENVIRONMENT, ALL GM CARES ABOUT IS THE MONEY THEY WILL HAVE TO PUT OUT. BUT THIS IS THE REASON THEY'RE SALES HAVE DECLINED AND HAD TO STOP MAKING DEVILLED, NOBODY BUYS THEM BECAUSE GM WON'T RECALL THESE ISSUES. DUH GM ALMOST WENT OUT OF BUSINESS YRS AGO FROM STUFF LIKE THIS, THEY DON'T CARE. SO WHY WOULD ANYONE BUY A GM VEHICLE? THIS WILL BE MY LAST IS THESE ISSUES ARE NOT RECALLED AS THE LABOR IS THE ONLY REASON CADILLACS ARE EXPENSIVE TO REPAIR, PARTS ARE REASONABLE.
BREATHING POISONOUS FUMES WHEN DRIVING CAR CAUSEING ME TO GETTING SICK.SEEMS TO BE COMING FROM VENT FROM BURNING OIL LEAKING OFF ENGINE,CANNOT DRIVE CAR DUE TO FUMES VERY POISONOUS AND WITH OUT KNOWLEDGE CAN CAUSE DRIVER TO PASS OUT ,CRASH AND CAUSE MANY DEATHS WHEN CRASHING INTO MAJOR HIGH TRAFFIC AREAS FROM PASSING OUT FROM FUMES
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. WHILE THE VEHICLE WAS PARKED IN THE DRIVEWAY, THE CONTACT NOTICED OIL WAS LEAKING. THE CONTACT PLACED CARDBOARD UNDER THE VEHICLE TO VERIFY IF THE LEAK WAS STOPPABLE. THERE NO WARNING INDICATORS ILLUMINATED. AN INDEPENDENT MECHANIC DIAGNOSED THAT THE OIL CHAMBER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED AND THE FAILURE RECURRED. LEXUS OF ARLINGTON (1510 W DUNDEE RD, ARLINGTON HEIGHTS, IL 60004, (847)-794-4819) WAS CONTACTED AND STATED THAT THE VIN WAS NOT INCLUDED IN A RECALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INFORMED THE CONTACT TO FILE A COMPLAINT WITH NHTSA. THE FAILURE MILEAGE WAS APPROXIMATELY 93,000. *BF *TR
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT CALLED ON BEHALF OF HIS SPOUSE THE DRIVER WHOM INFORMED HIM THAT OIL WAS LEAKING UNDERNEATH THE VEHICLE. THE CONTACT STATED THAT OIL WAS BEING ADDED ON A DAILY BASIS AS THE VEHICLE WAS BEING DRIVEN. THE CONTACT CONTACTED A LOCAL DEALER WHOM INFORMED HIM THE REPAIRS WOULD BE COSTLY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 149,000. THE VIN WAS NOT AVAILABLE.
ON OCT,30,2017 I WAS SITTING IN THE CAR WITH IT IDLING. AFTER ABOUT 10 MINUTES THE CAR STARTED REGISTERING "HOT". THE DASH BOARD SAID IT WAS RUNNING HOT. THE THERMOSTAT HAND HAD MOVED TO THE RED POINT . I CUT THE CAR OFF AND WAITED FOR ABOUT 5 MINUTES AND STARTED BACK UP AND DROVE IT TO CREST DEALERSHIP . AT THIS POINT THE HAND OR NEEDLE HAD GONE BACK TO NORMAL LEVEL. THE CUSTOMER SERVICE PERSON INFORMED US THAT IT COULD BE THE GASKET. WE LEFT THE CAR WITH THEM AND WAS TOLD 2 DAYS LATER THAT IT WAS INDEED THE GASKET GOING OUT AND WOULD COST AROUND $6300.00 TO FIX. THE PROBLEM IS THAT THE CAR IS SERVICED ON A REGULAR BASIS, OIL CHANGES, WINTERIZED BELTS CHECKED,ETC. I HAVE HAD NUMEROUS PROBLEMS WITH THE ENGINE AND HAD IT FIXED. THE CAR HAS ABOUT 45,000 ON IT. THIS ENGINE HAS GIVEN MORE TROUBLE AND I HAVE SPENT A LOT OF MONEY. I FEEL THAT THE ENGINE, WHICH IS A NORTHSTAR ENGINE AND IS A "LEMON" AND SHOULD BE RECALLED. I SHOULD NOT HAVE TO SPEND SO MUCH MONEY ON GETTING THIS CAR FIXED AND I KEEP IT UP TO DATE ON THE MAINTENANCE OF THIS VEHICLE. PLEASE TAKE TO THE TIME TO CONTACT CREST CADILLAC IN NASHVILLE TENNESSEE FOR MY RECORDS.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT THERE WAS A PROGRESSING OIL LEAK WITHOUT WARNING. THE DEALER INDICATED THAT THEY WOULD NEED TO PUT IN A NEW SEAL OR GASKET TO RESEAL THE AREA, BUT WOULD NOT GUARANTEE THAT THE REPAIR WOULD PROVIDE A PERMANENT REMEDY. THE DEALER INDICATED THAT IF THE REPAIR FAILED, THE ENGINE ASSEMBLY MAY NEED TO BE REPLACED. THE CONTACT WAS EXCLUDED FROM ANY MANUFACTURER CAMPAIGNS TO SERVICE THE ENGINE. THE APPROXIMATE FAILURE MILEAGE WAS 29,000.
FAULTY FACTORY GASKETS AND SEALS CAUSING OIL LEAK FROM OIL PAN. CAR ONLY HAS 92700 MILES. MANY COMPLAINTS ABOUT THIS AND NO ACTION TAKEN. REPAIRS WILL BE OVER $1000
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. WHILE APPROACHING A STOP SIGN, AN OIL ODOR WAS COMING FROM THE ENGINE. THE CONTACT NOTICED THAT GRAY SMOKE WAS COMING FROM THE HOOD OF VEHICLE. THE VEHICLE WAS TAKEN TO A INDEPENDENT MECHANIC WHERE HE WAS INFORMED THE OIL PAN GASKET WAS LEAKING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 130,450.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT THERE WAS AN OIL LEAK COMING FROM THE ENGINE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO BE REPAIRED AND WAS DIAGNOSED THAT THE ENGINE NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE VIN WAS INVALID. THE FAILURE MILEAGE WAS 110,000.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT THE REAR OF THE ENGINE WAS LEAKING OIL ON THE EXHAUST MANIFOLD AND THERE WAS AN ABNORMAL ODOR. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THERE WAS A GASKET LEAK ON THE EXHAUST MANIFOLD. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 87,000.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT THERE WAS OIL LEAKING FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS CONFIRMED THE VEHICLE WAS LEAKING COOLANT AND OIL AND THAT THE INTAKE MANIFOLD, ASSOCIATED GASKETS, SEALS, AND WATER PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 90,000. UPDATE 01/13/16 MA THE CONSUMER STATED THE VEHICLE WAS REPAIRED AND REQUESTED TO BE REIMBURSED. *JS
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATE 20 MPH, THE INSTRUMENT PANEL ILLUMINATED AS THE VEHICLE STALLED. THE VEHICLE WAS TOWED TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 160,000.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. THE CONTACT STATED THAT THERE WAS OIL LEAKING FROM THE OIL PAN OF THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE OIL PAN NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS THEN TAKEN TO AN INDEPENDENT MECHANICS WHO ALSO DIAGNOSED THAT THE OIL PAN NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 52,000.
Showing 1–20 of 39 complaints
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