Problems · by component

2006 Cadillac CTS power train problems

45 owner complaints to NHTSA about the 2006 Cadillac CTS cite power train, 17% of all 272 complaints for this model year. NHTSA also lists 1 recall on this component.

Complaints
45
17% of all complaints
Crashes
2
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the power train

Verbatim from NHTSA complaints, newest first
“Engine burns 1quart of oil, 100 miles. Brakes went to floor, brake lines had holes at 69,000 miles. Driver rear axel leaks. 2006 Cadillac CTS is a lemon!! Money Pit !!!”
Owner complaint to NHTSAFiled Jun 1, 2026Power train, Service brakes, EngineODI 11741412
“TL* THE CONTACT OWNS A 2006 CADILLAC CTS. THE CONTACT STATED THAT WHEN THE VEHICLE SHIFTED INTO GEAR, THE VEHICLE JERKED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO LYNCH CADILLAC OF AUBURN (154 W CREEK PKWY, AUBURN, AL 36830) WHERE IT WAS DIAGNOSED THAT THE REAR AXLE PINION SEAL FAILED AND NEEDED TO BE REPLACED. LEAKS WERE SEEN BY THE DEALER. THE VEHICLE WAS NOT REPAIRED AND THE FAILURE RECURRED. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 07V589000 (POWER TRAIN) AS A POSSIBLE SOLUTION TO THE FAILURE HOWEVER, THE VIN WAS NOT INCLUDED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INFORMED THE CONTACT THAT THERE WAS NO RECALL ON THE VIN. THE FAILURE MILEAGE WAS APPROXIMATELY 98,090.”
Owner complaint to NHTSAFiled Sep 8, 2020Power trainODI 11353695
“TL* THE CONTACT OWNS A 2006 CADILLAC CTS. THE CONTACT STATED THAT THE VEHICLE MADE AN ABNORMAL SOUND FROM THE ENGINE COMPARTMENT. THE VEHICLE WAS TAKEN TO CREST CADILLAC (2121 ROSA L PARKS BLVD, NASHVILLE, TN) WHERE IT WAS DIAGNOSED THAT THE MOTOR AND TRANSMISSION SUPPORT WERE NOT THE CORRECT SPECIFICATIONS FOR THE ENGINE INSTALLED IN THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND REFERRED THE CONTACT TO NHTSA. THE FAILURE MILEAGE WAS APPROXIMATELY 40,000. THE VIN WAS NOT PROVIDED.”
Owner complaint to NHTSAFiled Nov 6, 2017Power train, EngineODI 11043747
“TL* THE CONTACT OWNS A 2006 CADILLAC CTS. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE SLOWED DOWN AND SIGNIFICANTLY REDUCED POWER WHEN THE DRIVER LIFTED OFF THE ACCELERATOR PEDAL. AFTER DISCOVERING FLUID LEAKING FROM THE REAR OF THE VEHICLE, THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE REAR AXLE PINION SEAL WAS FAULTY AND NEEDED TO BE REPAIRED. THE MANUFACTURER STATED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 07V589000 (POWER TRAIN). THE CONTACT STATED THAT THE VEHICLE EXPERIENCED THE SAME FAILURE LISTED IN THE RECALL. THE FAILURE MILEAGE WAS 126,000.”
Owner complaint to NHTSAFiled Oct 24, 2016Power trainODI 10918457
“TL* THE CONTACT OWNS A 2006 CADILLAC CTS. WHILE DRIVING APPROXIMATELY 25 MPH, THE VEHICLE INDEPENDENTLY SLOWED DOWN AFTER THE TRACTION ENGAGED WARNING INDICATOR ILLUMINATED. THE CONTACT CONTINUED TO DEPRESS THE ACCELERATOR PEDAL AND THE VEHICLE'S SPEED RAPIDLY INCREASED; HOWEVER, THE SPEED BEGAN TO INDEPENDENTLY SLOW DOWN. THE CONTACT STATED THAT THE VEHICLE'S MANUAL INSTRUCTED HIM TO DEPRESS THE TRACTION BUTTON THAT WAS LOCATED IN THE GLOVE COMPARTMENT. THE CONTACT DEPRESSED THE BUTTON AND IT RE-ENGAGED THE TRACTION; HOWEVER, THE FAILURE RECURRED EACH TIME THE VEHICLE WAS DRIVEN AT VARIOUS SPEEDS. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THE FAILURE WAS UNABLE TO BE DETERMINED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 46,400.”
Owner complaint to NHTSAFiled Dec 7, 2015Power train, Traction control systemODI 10808770
“TL* THE CONTACT OWNS A 2006 CADILLAC CTS. WHILE DRIVING AT APPROXIMATELY 60 MPH, THE ACCELERATOR PEDAL WAS DEPRESSED BUT THE VEHICLE DECELERATED AND WAS NOT ABLE TO EXCEED 40 MPH. THE ENGINE WARNING LIGHT ILLUMINATED AND THE ELECTRONIC ENGINE REDUCED MESSAGE DISPLAYED. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.”
Owner complaint to NHTSAFiled Sep 21, 2015Power train, EngineODI 10766363

Showing 6 of 45 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026NHTSA vehicle page
02 —Related recalls

1 recall on this component

Power train: seal

Free remedy

ON CERTAIN PASSENGER VEHICLES, THE REAR AXLE PINION SEAL DOES NOT MEET ALL OF THE SPECIFICATIONS AND MAY EXPERIENCE A FLUID LEAK.

Power trainReported Dec 20, 2007NHTSA 07V589000
Data from NHTSA Recalls API · synced Nov 9, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.