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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
Mileage unknown · Feb 25, 2019
EngineSuspensionUnknown Or Other

PURCHASED 2006 CADILLAC STS BUILT ON JUNE 21 2005 LAST DAY OF 2005 MODEL. CAR HAS HAD ALL THE ISSUES THAT 22005 VEHICLE HAD. JUNE 23RD 2005 WAS FIRST DAY OF PRODUCTION. AT EVERY CORNER VIN # ARE NOTED HOWEVER FOR THIS MODEL THE BUILD DAYS WHICH NOTED BY CADILLAC ARE THE IMPORTANT FACTORS. I DON'T THINK COINCIDENCE THAT I'VE B…

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PURCHASED 2006 CADILLAC STS BUILT ON JUNE 21 2005 LAST DAY OF 2005 MODEL. CAR HAS HAD ALL THE ISSUES THAT 22005 VEHICLE HAD. JUNE 23RD 2005 WAS FIRST DAY OF PRODUCTION. AT EVERY CORNER VIN # ARE NOTED HOWEVER FOR THIS MODEL THE BUILD DAYS WHICH NOTED BY CADILLAC ARE THE IMPORTANT FACTORS. I DON'T THINK COINCIDENCE THAT I'VE BEEN COMPANLING TO CADILLACAND ASKING FOR HELP WITH ZERO HELP. CATALYTIC CONVERTER WAS EXTENDED WARRANTEE FOR 200000 AND 12 YEARS HOWEVER CADILLAC ALWAYS SAYS VIN EVEN THOUGH DATES ARE THE ONLY THING NOTED. I HAVE CALLED AND E,AIL FOR 3 YEARS. MY CAR IS OFF ROAD AND THEY HAVE REFUSED TO LOOK AND EVEN IF I PAID THEY WOULDN'T GUARANTEE THEY WOULD EVEN LOOK AT THE ISSUES. MY CAR IS IN ABSOLUTE LIMBO NEITHER A 2006 OR 05 OR WHATEVER. THEY HAVE REFUSED EVERY STEP EVEN THOUGH IT WAS BASED ON RECALLS

NHTSA ODI #11182238

143,000 miles · Jan 20, 2019
Unknown Or Other

A HIGH PITCH FIRE ALARM NOISE INTERMITTENT GOING OFF INSIDE VEHICLE SOMETIMES DEAFENING, CAUSING THE DRIVER TO LOOSE ALL ATTENTION AND COVERING EARS FROM SOUND. THE SOUND SEEMS TO BE RADIATING FROM THE 15.1 BOSE SOUND SYSTEM. THIS PROBLEM MAY PRESENT ITSELF AT DIFFERENT TIMES WEATHER CAR IS STATIONARY OR MOVING AT FREEWAY SPEED…

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A HIGH PITCH FIRE ALARM NOISE INTERMITTENT GOING OFF INSIDE VEHICLE SOMETIMES DEAFENING, CAUSING THE DRIVER TO LOOSE ALL ATTENTION AND COVERING EARS FROM SOUND. THE SOUND SEEMS TO BE RADIATING FROM THE 15.1 BOSE SOUND SYSTEM. THIS PROBLEM MAY PRESENT ITSELF AT DIFFERENT TIMES WEATHER CAR IS STATIONARY OR MOVING AT FREEWAY SPEEDS. THIS PROBLEM HAS BEEN FOUND IN OTHER MODELS IE: CTS, STS, SRX, AND OTHER CADILLAC MODELS WITH THIS SOUND SYSTEM. IT SEEMS TO BE PRESENT IN MODEL YEARS 2002-2010.

NHTSA ODI #11171038

73,000 miles · Apr 4, 2018
Fuel/propulsion System

DRIVING OUT OF TOWN STOP GOT GAS EVERYTHING FINE 20 MIN FROM THEN I PULL OVER THE SIDE OF ROAD TURN CAR GET SOMETHING OUT THE TRUNK BACK IN THE CAR TURN FUEL GAUGE READS ALMOST EMPTY NOW I'M WAY OUT IN THE MIDDLE OF NOWHERE.DID GET ANY WARNING ETC BUT NOW I DON'T KNOW IF I'VE GAS IT'S READING EMPTY.SO HAD TO CUT THE TRIP TURN AR…

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DRIVING OUT OF TOWN STOP GOT GAS EVERYTHING FINE 20 MIN FROM THEN I PULL OVER THE SIDE OF ROAD TURN CAR GET SOMETHING OUT THE TRUNK BACK IN THE CAR TURN FUEL GAUGE READS ALMOST EMPTY NOW I'M WAY OUT IN THE MIDDLE OF NOWHERE.DID GET ANY WARNING ETC BUT NOW I DON'T KNOW IF I'VE GAS IT'S READING EMPTY.SO HAD TO CUT THE TRIP TURN AROUND TO DRIVE ALL BACK WHICH WAS THE SIX-HOUR DRIVE I'VE TO SPEND OVER $200 GAS IN THE FEAR OF NOT RUNNING FINALLY GETS IN THE SHOP WORK ON DECIDE TO TAKE ANOTHER ROAD TRIP AND I CANT BELIEVE THIS DOES IT AGAIN NOW ITS BACK IN SHOP.

NHTSA ODI #11083197

82,000 miles · Mar 6, 2018
Air Bags

SERVICE AIRBAG LIGHT STAYS ON.

NHTSA ODI #11076492

110,000 miles · Feb 7, 2018
Air Bags

TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT THE AIR BAG WARNING INDICATOR ILLUMINATED AND REMAINED LIT. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT THE CAUSE OF THE FAILURE COULD NOT BE DIAGNOSED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS CONTACTED AND INFORMED THE CONTACT THAT THEY WOULD…

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TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT THE AIR BAG WARNING INDICATOR ILLUMINATED AND REMAINED LIT. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT THE CAUSE OF THE FAILURE COULD NOT BE DIAGNOSED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS CONTACTED AND INFORMED THE CONTACT THAT THEY WOULD COMMUNICATE WITH THEM ONCE A SOLUTION WAS DETERMINED. THE CONTACT NEVER HEARD BACK FROM THE MANUFACTURER. THE FAILURE MILEAGE WAS APPROXIMATELY 110,000.

NHTSA ODI #11067371

Mileage unknown · Jan 27, 2018
Air Bags

"TAKATA RECALL"

NHTSA ODI #11065401

100,000 miles · Jan 3, 2018
Air Bags

TL* THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT STATED THAT THE PASSENGER SIDE AIR BAG WARNING INDICATOR ILLUMINATED INTERMITTENTLY. THE DEALER AND MANUFACTURER WERE NOT NOTIFIED. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000.

NHTSA ODI #11058351

Mileage unknown · Dec 5, 2017
Seat Belts

AIRBAG LIGHT IS ON TELLING YOU TO SERVICE AIRBAG. I TOOK IT TO THE SHOP THEY FIXED IT, 1 WEEK LATER CAME BACK ON. THEY SAID IT HAS TO DO WITH THE SEAT BELT BUCKLE. THEY SAID THE PART THET YOU CONNECT TO SECURE YOU IN THE SEAT BELT NEEDS TO BE REPLACED. UNTIL THEN THE AIRBAG LIGHT STAYS ON SAYING SERVICE AIRBAG BUT IT'S REALLY NO…

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AIRBAG LIGHT IS ON TELLING YOU TO SERVICE AIRBAG. I TOOK IT TO THE SHOP THEY FIXED IT, 1 WEEK LATER CAME BACK ON. THEY SAID IT HAS TO DO WITH THE SEAT BELT BUCKLE. THEY SAID THE PART THET YOU CONNECT TO SECURE YOU IN THE SEAT BELT NEEDS TO BE REPLACED. UNTIL THEN THE AIRBAG LIGHT STAYS ON SAYING SERVICE AIRBAG BUT IT'S REALLY NOT THE AIRBAG IT'S THE SEAT BUCKLE. I WAS IN MOTION ON CITY STREET.

NHTSA ODI #11052437

125,000 miles · Sep 25, 2017
Air Bags

STARTED RECEIVING A CONSTANT, "SERVICE AIR BAG" WARNING MESSAGE AFTER 125,000 MILES. THE DEALER TOLD ME THE PASSENGER PRESENCE MODULE NEEDED REPLACED. IT WILL COST $1,000 FOR THE PART, LABOR, AND PROGRAMMING. NOW I READ ON THIS FORUM THAT THE SAME ISSUE WAS FOUND ON THE CTS MODEL AND IT WAS RECALLED BY THE MANUFACTURER, BUT N…

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STARTED RECEIVING A CONSTANT, "SERVICE AIR BAG" WARNING MESSAGE AFTER 125,000 MILES. THE DEALER TOLD ME THE PASSENGER PRESENCE MODULE NEEDED REPLACED. IT WILL COST $1,000 FOR THE PART, LABOR, AND PROGRAMMING. NOW I READ ON THIS FORUM THAT THE SAME ISSUE WAS FOUND ON THE CTS MODEL AND IT WAS RECALLED BY THE MANUFACTURER, BUT NOT THE STS. IT'S DIFFICULT TO JUSTIFY PUTTING THAT MUCH MONEY IN AN OLDER VEHICLE.

NHTSA ODI #11025314

110,000 miles · Sep 8, 2017
Air Bags

TL* THE CONTACT OWNS A 2006 CADILLAC STS. WHEN THE VEHICLE WAS STARTED, THE AIR BAG WARNING INDICATOR ILLUMINATED AND REMAINED LIT. THE DEALER WAS CONTACTED (ORR CADILLAC, SHREVEPORT, LA 71105, 318-798-7250) AND STATED THAT THERE WAS NO RECALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THERE WAS NO RECALL. T…

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TL* THE CONTACT OWNS A 2006 CADILLAC STS. WHEN THE VEHICLE WAS STARTED, THE AIR BAG WARNING INDICATOR ILLUMINATED AND REMAINED LIT. THE DEALER WAS CONTACTED (ORR CADILLAC, SHREVEPORT, LA 71105, 318-798-7250) AND STATED THAT THERE WAS NO RECALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THERE WAS NO RECALL. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 110,000.

NHTSA ODI #11022340

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.