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2006 Cadillac Sts

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

114 reports with mileage · 25 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Air Bags. Review the 57 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

16 crash reports6 fire reports13 injury reports

Fuel/propulsion System complaints

18 reports
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70,000 miles · Jun 2, 2015
Fuel/propulsion System

TL* THE CONTACT OWNS A 2006 CADILLAC STS. WHILE DRIVING AT 60 MPH, THE ENGINE STALLED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE FUEL PUMP WIRING NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000.

NHTSA ODI #10723064

103,000 miles · May 12, 2015
Fuel/propulsion System

TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT THERE WAS FUEL LEAKING WITHOUT WARNING. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 14V542000 (FUEL/PROPULSION SYSTEM) EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER CONFIRMED THAT THE PART WAS NOT AVAILABLE. THE DEALER INFORMED TH…

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TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT THERE WAS FUEL LEAKING WITHOUT WARNING. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 14V542000 (FUEL/PROPULSION SYSTEM) EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER CONFIRMED THAT THE PART WAS NOT AVAILABLE. THE DEALER INFORMED THE CONTACT THAT THE PART MIGHT BECOME AVAILABLE IN JUNE OF 2015. THE APPROXIMATE FAILURE MILEAGE WAS 103,000.

NHTSA ODI #10715854

Mileage unknown · Mar 5, 2015
Fuel/propulsion System

TL*THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V542000 (FUEL SYSTEM, GASOLINE) HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED …

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TL*THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V542000 (FUEL SYSTEM, GASOLINE) HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.

NHTSA ODI #10692299

45,000 miles · Nov 29, 2014
EngineFuel/propulsion System

THE FUEL DELIVERY SYSTEM HAS BEEN FAILING IN THE SAME MANNER THAT I HAVE SEEN MANY OTHER CADILLAC OWNERS HAVE GOTTEN REPAIRED THROUGH A RECALL ALREADY IN PLACE. EVERY SINGLE TIME I PUT GAS IN THE TANK THE CAR REFUSES TO TURN ON WITH THE FIRST ATTEMPT. THE ONLY WAY TO GET THE CAR TO TURN ON IS AFTER MULTIPLE ATTEMPTS AND FINALLY …

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THE FUEL DELIVERY SYSTEM HAS BEEN FAILING IN THE SAME MANNER THAT I HAVE SEEN MANY OTHER CADILLAC OWNERS HAVE GOTTEN REPAIRED THROUGH A RECALL ALREADY IN PLACE. EVERY SINGLE TIME I PUT GAS IN THE TANK THE CAR REFUSES TO TURN ON WITH THE FIRST ATTEMPT. THE ONLY WAY TO GET THE CAR TO TURN ON IS AFTER MULTIPLE ATTEMPTS AND FINALLY ENOUGH FUEL GETS DELIVERED TO THE SYSTEM. SIMILARLY, THE CAR WILL HESITATE OR FEEL LIKE NO GAS IS BEING DELIVERED TO THE ENGINE WHILE DRIVING ON THE HIGHWAY. OFTEN, IT WILL CAUSE A DRAMATIC DROP IN SPEED CAUSING A DANGEROUS SITUATION. GM DEFINITELY NEEDS TO TAKE THIS INTO CONSIDERATION BECAUSE IT IS FAULTS EQUIPMENT RATHER THAN WEAR AND TEAR. ALSO, THERE SEEMS TO BE A SOME MAJOR ISSUE WITH THE OIL SYSTEM IN THE CAR. ONE WEEK AFTER A SYNTHETIC OIL CHANGE, THERE IS OVER 1 QUART OF OIL MISSING IN THE RESERVE. THERE HAS BEEN OVER 4 QUARTS MISSING AT A TIME. *TR

NHTSA ODI #10661288

78,142 miles · Apr 3, 2013
Electronic Stability Control (esc)EngineFuel System, Gasoline

THE ENGINE SHUT OFF WHEN I WAS DRIVING ON A SIDE STREET AT 20 MPH, AND ALSO SHUT OFF 5 TIMES AS I WAS DRIVING ON THE HIGHWAY AT 65 MPH. THE CLUSTER PANEL TURNED OFF, BUT THE RADIO STAYED ON. THE ODOMETER SHOWED A MESSAGE ENGINE CONTROL MODULE (ECM). I PULLED OVER, PUT THE CAR IN PARK, AND RESTARTED THE VEHICLE EACH TIME. THE…

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THE ENGINE SHUT OFF WHEN I WAS DRIVING ON A SIDE STREET AT 20 MPH, AND ALSO SHUT OFF 5 TIMES AS I WAS DRIVING ON THE HIGHWAY AT 65 MPH. THE CLUSTER PANEL TURNED OFF, BUT THE RADIO STAYED ON. THE ODOMETER SHOWED A MESSAGE ENGINE CONTROL MODULE (ECM). I PULLED OVER, PUT THE CAR IN PARK, AND RESTARTED THE VEHICLE EACH TIME. THE CADILLAC DEALERSHIP SAID THAT REAR AXLE PINION SEAL WAS THE ONLY RECALL FOR MY STS, BUT I AM EXPERIENCING NHTSA CAMPAIGN NUMBER: 06V020000 , AND NHTSA CAMPAIGN NUMBER: 06V007000 ALSO. *TR

NHTSA ODI #10505490

35,000 miles · Mar 7, 2013
Electrical SystemFuel/propulsion System

CAR STALLED ON BUSY STREET AND WOULD NOT RESTART. AFTER LATER INVESTIGATION IT TURNS OUT THAT THE ELECTRICAL CONNECTOR IN FUEL MODULE ASSEMBLY SHORTED OUT AND MELTED THE PLASTIC CONNECTOR. IT ALSO MELTED PART OF THE BOTTOM SIDE OF THE TOP OF MODULE. GM HAS RECALLED EARLIER MODELS OF VEHICLES FOR THE SAME SITUATION. I BELIEVE THI…

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CAR STALLED ON BUSY STREET AND WOULD NOT RESTART. AFTER LATER INVESTIGATION IT TURNS OUT THAT THE ELECTRICAL CONNECTOR IN FUEL MODULE ASSEMBLY SHORTED OUT AND MELTED THE PLASTIC CONNECTOR. IT ALSO MELTED PART OF THE BOTTOM SIDE OF THE TOP OF MODULE. GM HAS RECALLED EARLIER MODELS OF VEHICLES FOR THE SAME SITUATION. I BELIEVE THIS TO BE VERY DANGEROUS FOR MULTIPLE REASONS:STALLING ON BUSY STREET AND NOT BEING ABLE TO RESTART, FUEL LEAKS DUE TO HOLE MELTING IN MODULE TOP, AND ITS A FIRE HAZARD. *TR

NHTSA ODI #10502031

53,393 miles · May 21, 2012
Electronic Stability Control (esc)Fuel/propulsion SystemUnknown Or Other

AFTER PURCHASING A USED 2006 STS AWD FROM CADILLAC NJ IN DECEMBER 2009, WIFE NOTICED WHILE MAKING RIGHT HAND TURNS ON SMOOTH PAVEMENT, CAR SEEMS TO STALL TEMPORARILY NOT ALLOWING ME TO ACCELERATE FOR A FEW SECONDS AND MESSAGE TRACTION ACTIVE IS DISPLAYED. JANUARY 18, 2010,I BROUGHT THE CAR BACK TO DEALERSHIP TO COMPLAIN. THEY SA…

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AFTER PURCHASING A USED 2006 STS AWD FROM CADILLAC NJ IN DECEMBER 2009, WIFE NOTICED WHILE MAKING RIGHT HAND TURNS ON SMOOTH PAVEMENT, CAR SEEMS TO STALL TEMPORARILY NOT ALLOWING ME TO ACCELERATE FOR A FEW SECONDS AND MESSAGE TRACTION ACTIVE IS DISPLAYED. JANUARY 18, 2010,I BROUGHT THE CAR BACK TO DEALERSHIP TO COMPLAIN. THEY SAID PROB BAD GAS IN LINES. PUT NEW GAS IN AND GAS TREATMENT FOR WATER IN TANK. DID THAT, DIDN'T HELP. FEBRUARY 1, 2010 I RETURNED TO DEALERSHIP TO COMPLAIN IT WAS STILL DOING IT ON OCCASION. I ASKED IF THERE WERE ANY COMPLAINTS ON THIS VEHICLE. GOT A NO RESPONSE. MAY 2010 BROUGHT CAR BACK TO DEALERSHIP TO COMPLAIN. BY THIS TIME MY WIFE HAS REFUSED TO DRIVE IT FOR SAFETY REASONS (PEOPLE THINK SHE IS LETTING THEM INTO ONCOMING TRAFFIC WHEN CAR SLOWS DOWN). LOOKED ON INTERNET AND FOUND OTHER COMPLAINTS. I WAS TOLD GM ENGINEERING IS AWARE OF ISSUE AND ARE WORKING ON SOLUTION. MADE COMPLAINT TO GM IN SEPT 2010 WAS TOLD SOFTWARE UPDATE WILL BE READY IN 2 MONTHS. AFTER GETTING DODGED FOR 2 1/2 MORE YEARS, MADE SECOND COMPLAINT TO GM APRIL 2012. GM EXECUTIVE STATED I CAN USE A RENTAL DUE TO THE SERIOUSNESS OF THE CONDITION LOSING POWER WHILE DRIVING. THEY SAID IT WAS FIXED. A WEEK LATER IT STARTED AGAIN. GM EXECUTIVE AND SERVICE MANAGER OF CADILLAC CALLED TO SAY THAT THE CAR WAS DESIGNED THAT WAY. THERE IS NO FIX ON IT. I TOLD THEM THE 2011 STS RENTAL I DROVE DID NOT HAVE ANY PROBLEM LOSING POWER WHILE IN A TURN. THEY SAID IT IS A DIFFERENT SYSTEM. I SAID "SO THERE WAS A PROBLEM WITH THE OLD SYSTEM" . I WAS LET OUT OF THE DOOR WITH AN OFFER FROM GM EXEC'S, $4,500 OFF PRICE OF A NEW CAR AT THEIR DEALERSHIP. I ASKED, WHAT ABOUT SAFETY? I TOLD THEM I OWN A CAR THAT MY WIFE REFUSES TO DRIVE DUE TO LOSS OF POWER. I ONLY DRIVE CAR BECAUSE MY WIFE DRIVES MY TRUCK. GM KNOWS OF THIS SAFETY ISSUE. SERVICE SAID PROBLEMS ON 2006-07 STS'S. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) *TT

NHTSA ODI #10459155

82,000 miles · May 20, 2012
Engine And Engine CoolingFuel/propulsion System

CATALYTIC CONVERTER FAILED AT APPROXIMATELY 83,000 MILES. CHECK ENGINE LIGHT COMES ON AND THE MANUFACTURER AND THE DEALER REPLACED THE CONVERTER. AT 93,000 MILES, RECEIVED CHECK ENGINE LIGHT WARNING AGAIN AND THE CODE INDICATES THAT THE CATALYTIC CONVERTER IS A PROBLEM. THE SIDE AFFECT IS THAT THE CAR LACKS POWER WHEN HAVING …

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CATALYTIC CONVERTER FAILED AT APPROXIMATELY 83,000 MILES. CHECK ENGINE LIGHT COMES ON AND THE MANUFACTURER AND THE DEALER REPLACED THE CONVERTER. AT 93,000 MILES, RECEIVED CHECK ENGINE LIGHT WARNING AGAIN AND THE CODE INDICATES THAT THE CATALYTIC CONVERTER IS A PROBLEM. THE SIDE AFFECT IS THAT THE CAR LACKS POWER WHEN HAVING A NEED ACCELERATE. GM HAS RECALLED THE 2005 CONVERTER, BUT NOT THE 2006. *TR

NHTSA ODI #10459026

Official recalls

4

14V542000 · Fuel System, Gasoline:delivery:fuel Pump

Sep 9, 2014

General Motors LLC (GM) is recalling certain model year 2004-2007 Cadillac CTS-V vehicles manufactured October 6, 2003, to March 15, 2007, and 2006-2007 Cadillac STS-V vehicles manufactured June 23, 2005, to March 15, 2007. In the affected vehicles, the electrical terminals of the fuel pump module may overheat resulting in the melting of the flange material.

Consequence & remedy

Consequence: If the flange melts, a hole may be created allowing the fuel pump to leak fuel, causing the vehicle to stall, increasing the risk of a vehicle crash. Additionally, leaking fuel in the presence of an ignition source increases the risk of a fire.

Remedy: GM will notify owners, and dealers will replace the fuel module and fuel tank jumper harness, free of charge. GM sent out interim notices in late October. The recall began on March 12, 2015. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 14405.

07V589000 · Power Train:axle Assembly:axle Shaft:seal

Dec 20, 2007

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

Consequence & remedy

Consequence: A REAR DIFFERENTIAL FAILURE MAY CAUSE LOSS OF MOTIVE POWER AND POSSIBLY LOSS OF CONTROL INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE PINION SEAL FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 1, 2008. OWNERS MAY CONTACT CADILLAC AT 1-800-458-8006 OR HTTP://WWW.CADILLAC.COM; PONTIAC AT 1-800-620-7668 OR HTTP://WWW.PONTIAC.COM; AND SATURN AT 1-800-972-8876 OR HTTP://WWW.SATURN.COM.

06V020000 · Fuel System, Gasoline:delivery

Jan 25, 2006

CERTAIN VEHICLES EQUIPPED WITH V6 ENGINES MAY HAVE A CONDITION WHERE FUEL IS NO LONGER SUPPLIED TO THE ENGINE. THIS CONDITION OCCURS WITHOUT THE ILLUMINATION OF THE FUEL LEVEL LOW INDICATOR LIGHT OR THE WARNING CHIME.

Consequence & remedy

Consequence: IF THE ENGINE STOPS RUNNING, THE OPERATOR WILL NOT BE ABLE TO RESTART THE VEHICLE WHICH COULD INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL REPROGRAM THE ELECTRONIC CONTROL MODULE (ECM) WITH NEW SOFTWARE FREE OF CHARGE. OWNERS WERE NOTIFIED IN DECEMBER 2005 AND ASKED TO MAINTAIN AT LEAST 1/4 OF A TANK FUEL LEVEL TO AVOID THIS CONDITION UNTIL THE PARTS ARE AVAILABLE. THE PARTS ARE NOW AVAILABLE, OWNER RENOTIFICATION BEGAN ON MARCH 23, 2006. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339.

06V007000 · Vehicle Speed Control

Jan 13, 2006

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH ALL WHEEL DRIVE AND A 3.6L V6 ENGINE, THE TORQUE MONITORING FUNCTIONS OF THE ELECTRONIC THROTTLE CONTROL (ETC) ARE NOT ENABLED. THESE FUNCTIONS CAN LIMIT ENGINE SPEED AND TORQUE IF UNUSUAL ENGINE CONTROL MODULE (ECM) HARDWARE OR SOFTWARE FAILURES OCCUR.

Consequence & remedy

Consequence: WITHOUT THESE FUNCTIONS ENABLED, A PERSISTENT ECM FAILURE COULD RESULT IN A THROTTLE OPENING GREATER THAN COMMANDED BY THE DRIVER AND A CRASH COULD OCCUR.

Remedy: DEALERS WILL REPROGRAM THE ECM ON THESE VEHICLES FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 24, 2006. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE07037 · Failure Of The Rear Differential

Opened Jul 17, 2007 · Closed Dec 27, 2007

Status: closed (inferred from source dates) · Power Train:driveline:differential Unit

ODI EVALUATED TWO DIFFERENT ALLEGED DEFECTS INVOLVING REAR DRIVETRAIN COMPONENTS DURING THIS PRELIMINARY EVALUATION.GM IS CONDUCTING A RECALL TO ADDRESS ONE OF THE DEFECT CONDITIONS AND ODI HAS OPENED AN ENGINEERING ANALYSIS TO CONTINUE ITS INVESTIGATION OF THE OTHER ALLEGED DEFECT. ON DECEMBER 19, 2007, GM SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA CONCERNING DEFECTIVE REAR AXLE PINION SEALS IN APPROXIMATELY 275,936 MODEL YEAR (MY) 2005-07 CADILLAC CTS, STS AND SRX VEHICLES AS WELL AS MY 2006-07 PONTIAC SOLSTICE AND MY 2007 SATURN SKY VEHICLES (RECALL 07V-589).ON STS AND SRX VEHICLES WITH ALL WHEEL DRIVE, THE FRONT AXLE PINION SEAL ALSO DOES NOT MEET ALL OF GM'S SPECIFICATIONS AND MAY EXPERIENCE A FLUID LEAK.GM INDICATED THAT THE SEAL SUPPLIER MADE AN UNAUTHORIZED CHANGE TO THE PINION SEAL MATERIAL.LEAKING PINION SEALS COULD RESULT IN LOSS OF REAR DIFFERENTIAL LUBRICATION WHICH COULD RESULT IN REAR WHEEL LOCK-UP AND LOSS OF VEHICLE CONTROL. ON DECEMBER 7, 2007, ODI OPENED AN ENGINEERING ANALYSIS (EA07-017) TO INVESTIGATE COMPLAINTS OF REAR DRIVETRAIN COMPONENT FAILURE (E.G., FRACTURED REAR DIFFERENTIAL CARRIER HOUSING OR REAR AXLE HALF SHAFTS) WHILE DRIVING IN APPROXIMATELY 7,600 MY 2004 THROUGH 2006 CADILLAC CTS-V VEHICLES.THIS CONDITION MAY RESULT IN A LOSS OF MOTIVE POWER AND VEHICLE DISABLEMENT AND IS NOT ADDRESSED BY RECALL 07V-589.ODI IDENTIFIED 35 COMPLAINTS (16 TO ODI AND 19 TO GM) AND 128 WARRANTY CLAIMS POTENTIALLY RELATED TO THIS CONDITION (SEE EA07-017 OPENING RESUME).THESE COMPLAINTS ARE NOT INCLUDED IN THE FAILURE REPORT SUMMARY OF THIS CLOSING RESUME. THE COMPLAINTS AND WARRANTY FIGURES GIVEN IN THIS RESUME ARE LIMITED TO THOSE THAT (A) ARE MOST LIKELY CAUSED BY A LEAKING REAR PINION SEAL; AND (B) RESULTED IN AN ALLEGATION OF A REAR DIFFERENTIAL FAILURE WHILE DRIVING.THE DATA DO NOT INCLUDE ALL REPORTS OF SEAL LEAKAGE.