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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

What owners actually said

139 reports
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

5,447 miles · Oct 28, 2014
Air Bags

TL* THE CONTACT OWNS A 2006 CADILLAC STS. WHEN THE VEHICLE WAS STARTED, THE AIR BAG WARNING LIGHT ILLUMINATED. THE DEALER STATED THAT THE AIR BAG WIRING NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 5,447. THE AIR BAG LIGHT ILLUMI…

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TL* THE CONTACT OWNS A 2006 CADILLAC STS. WHEN THE VEHICLE WAS STARTED, THE AIR BAG WARNING LIGHT ILLUMINATED. THE DEALER STATED THAT THE AIR BAG WIRING NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 5,447. THE AIR BAG LIGHT ILLUMINATED AGAIN FOR THE FOURTH TIME. THE LIGHT WOULD COME ON AND GO OFF. UPDATED 12/09/14

NHTSA ODI #10650601

Mileage unknown · Sep 30, 2014
Air Bags

2006 CADILLAC STS. CONSUMER WRITES IN REGARDS TO SAFETY LIGHTS FOR AIRBAGS WERE ILLUMINATED AFTER RECENT VEHICLE REPAIRS. *SMD THE CONSUMER STATED THE AIR BAG LIGHT WAS NOT ON, PRIOR TO DROPPING THE VEHICLE OFF AT THE COLLISION SHOP. *JB

NHTSA ODI #10639968

146,000 miles · Sep 12, 2014
Air Bags

TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT THE FRONT PASSENGER SIDE AIR BAG SENSOR INDICATOR ILLUMINATED, WHICH INDICATED THAT THE AIR BAG SYSTEM WAS FAULTY. AN INDEPENDENT DEALER STATED THAT THE FAILURE WAS DUE TO A FAULTY SENSOR. NO ADDITIONAL INFORMATION WAS AVAILABLE. THE VEHICLE WAS NOT REPAIRED AND …

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TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT THE FRONT PASSENGER SIDE AIR BAG SENSOR INDICATOR ILLUMINATED, WHICH INDICATED THAT THE AIR BAG SYSTEM WAS FAULTY. AN INDEPENDENT DEALER STATED THAT THE FAILURE WAS DUE TO A FAULTY SENSOR. NO ADDITIONAL INFORMATION WAS AVAILABLE. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 146,000.

NHTSA ODI #10632698

100,000 miles · Aug 29, 2014
Air Bags

AIR BAG LIGHT CAME ON IN VEHICLE WHEN NO ONE WAS SITTING IN VEHICLE AND HAS BEEN ON EVER SINCE. I TOOK THE VEHICLE TO DEALERSHIP PAID TO HAVE PROBLEM DIAGNOSED WAS TOLD. PASSENGER SEAT PRESENCE SYSTEM FAILURE. QUOTED PRICE FOR $900 TO REPAIR. I RESEARCHED ONLINE SAW RECALL FOR CTS FROM 2005-2007 HOWEVER NOT FRO THE STS. I CONTAC…

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AIR BAG LIGHT CAME ON IN VEHICLE WHEN NO ONE WAS SITTING IN VEHICLE AND HAS BEEN ON EVER SINCE. I TOOK THE VEHICLE TO DEALERSHIP PAID TO HAVE PROBLEM DIAGNOSED WAS TOLD. PASSENGER SEAT PRESENCE SYSTEM FAILURE. QUOTED PRICE FOR $900 TO REPAIR. I RESEARCHED ONLINE SAW RECALL FOR CTS FROM 2005-2007 HOWEVER NOT FRO THE STS. I CONTACTED GM. WAS CALLED BACK IN 48HRS TO BE TOLD THEY DO NOT HELP WITH FIXING ANYTHING THAT IS NOT UNDER RECALL. CAN YOU PLEASE RECALL THE STS AS WELL. I SEE SO MANY OTHERS REPORTING THE SAME THING. THIS IS RIDICULOUS. ITS THE SAME AIRBAG SYSTEM AS IN THE CTS. THIS IS AN IMPORTANT PROBLEM. I PURCHASED THIS VEHICLE BECAUSE OF THE SAFETY FEATURES. NOTHING IN THE MANUAL SAYS THIS WOULD NEED TO BE SERVICED OR REPLACED. *TR

NHTSA ODI #10629493

74,000 miles · Aug 22, 2014
Air Bags

THE FRONT PASSENGER AIR BAG WARNING LIGHT CAME ON JUST AS I WAS STARTING THE CAR FOR THE DAY. WE TOOK THE CAR TO THE LOCAL DEALERSHIP AND THEY ARE WELL AWARE THIS IS A ON GOING ISSUE FOR THE 2006 STS, BUT IT IS NOT PART OF THE RECALL. I WOULD LIKE TO KNOW IF THE SAME PARTS WERE USED IN THE STS THAT WERE INCLUDED IN THE RECALL ? …

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THE FRONT PASSENGER AIR BAG WARNING LIGHT CAME ON JUST AS I WAS STARTING THE CAR FOR THE DAY. WE TOOK THE CAR TO THE LOCAL DEALERSHIP AND THEY ARE WELL AWARE THIS IS A ON GOING ISSUE FOR THE 2006 STS, BUT IT IS NOT PART OF THE RECALL. I WOULD LIKE TO KNOW IF THE SAME PARTS WERE USED IN THE STS THAT WERE INCLUDED IN THE RECALL ? THE DEALERSHIP WANTS ALMOST A $1,000 TO FIX IT AND I WAS TOLD NONE OF MY AIR BAGS WILL DEPLOY UNTIL I GET THIS FIXED . I BELIEVE AIR BAGS AS A SAFETY FEATURE SHOULD BE COVERED FOR THE LIFE OF THE VEHICLE FOR ISSUES LIKE THIS. VERY DISAPPOINTED WITH CADILLAC NOT INCLUDING THE STS IN THE RECALL ESPECIALLY AFTER READING ALL THE OTHER OWNERS WITH THE SAME EXACT PROBLEM.

NHTSA ODI #10627645

Mileage unknown · Aug 20, 2014
Electrical System

2006 CADILLAC STS. CONSUMER WRITES IN REGARDS TO VEHICLE IGNITION PROBLEM. *SMD THE CONSUMER STATED AS HE NEARED THE HIGHEST ELEVATION OF THE HIGHWAY, OTHER VEHICLES WERE GOING ABOUT 58-60 MPH, AND THE CREST FLATTENED, THE SPEED INCREASED ALMOST AUTOMATICALLY, AS THE RESISTANCE DECEASED. AFTER A FEW HUNDRED YARDS, THE CONSUME…

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2006 CADILLAC STS. CONSUMER WRITES IN REGARDS TO VEHICLE IGNITION PROBLEM. *SMD THE CONSUMER STATED AS HE NEARED THE HIGHEST ELEVATION OF THE HIGHWAY, OTHER VEHICLES WERE GOING ABOUT 58-60 MPH, AND THE CREST FLATTENED, THE SPEED INCREASED ALMOST AUTOMATICALLY, AS THE RESISTANCE DECEASED. AFTER A FEW HUNDRED YARDS, THE CONSUMER REALIZED HE HAD NO POWER UNDER HIS FOOT, THE DASH LIGHTS WENT OUT WITH NO ENGINE CONDITION INDICATORS DISPLAYING, THE ONLY LIGHT ON THE DASH WAS A LIGHTED "D" INDICATING THE TRANSMISSION WAS IN DRIVE. DESPITE THE VEHICLE BEING IN GEAR, THE VEHICLE WAS COASTING AT 70 MPH. UPON INSPECTION, THE START BUTTON AND IGNITION SWITCH FAILED. A FEW WEEKS EARLIER, THE VEHICLE STALLED WHILE AT A STOP LIGHT. HE IMMEDIATELY RE-STARED THE VEHICLE. ON A SEPARATE OCCASION, THE CONSUMER EXPERIENCED A LAPSE OF POWER.

NHTSA ODI #10625694

53,820 miles · Aug 13, 2014
Engine

TL* THE CONTACT OWNS A 2006 CADILLAC STS. WHILE DRIVING APPROXIMATELY 35 MPH, THE ENGINE WARNING INDICATOR REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING. THE MECHANIC STATED THAT THE TIMING CHAIN STRETCHED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIF…

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TL* THE CONTACT OWNS A 2006 CADILLAC STS. WHILE DRIVING APPROXIMATELY 35 MPH, THE ENGINE WARNING INDICATOR REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING. THE MECHANIC STATED THAT THE TIMING CHAIN STRETCHED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 53,820.

NHTSA ODI #10622119

67,500 miles · Aug 10, 2014
Engine And Engine CoolingFire

THE VEHICLE CAUGHT FIRE WITHOUT CAUSE AT A WALMART PARKING LOT. WHEN I CAME OUT OF THE STORE MY CAR WAS ON FIRE. THE FIRE STARTED IN THE DOOR PANEL OF THE DRIVERS SIDE. I HAVE NO IDEA WHAT CAUSED THE FIRE. STERLING HEIGHTS FIRE DEPT WAS ON THE SEEN AND PUT THE FIRE OUT. MY CAR WAS TOTALED. *TR

NHTSA ODI #10621189

82,100 miles · Aug 1, 2014
Electrical System

TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT WHILE DRIVING 72 MPH, THE VEHICLE SUDDENLY STALLED. THE CONTACT ENGAGED THE PUSH-TO-START BUTTON BUT AS SOON AS PRESSURE WAS RELEASED FROM THE BUTTON, THE VEHICLE STALLED AGAIN. THE FAILURE WAS RECURRING. THE VEHICLE WAS TAKEN TO THE DEALER, WHO REPLACED THE IGN…

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TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT WHILE DRIVING 72 MPH, THE VEHICLE SUDDENLY STALLED. THE CONTACT ENGAGED THE PUSH-TO-START BUTTON BUT AS SOON AS PRESSURE WAS RELEASED FROM THE BUTTON, THE VEHICLE STALLED AGAIN. THE FAILURE WAS RECURRING. THE VEHICLE WAS TAKEN TO THE DEALER, WHO REPLACED THE IGNITION SWITCH. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 82,100. UPDATED 9/4/14*CN UPDATED 1/5/2015 *JS

NHTSA ODI #10618189

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.