Skip to content
KLUNK
KLUNK

2006 Cadillac Sts

The Verdict

66 Solid Pick

The 2006 Cadillac Sts has 141 owner complaints filed with NHTSA. The most reported issues are electrical (62 complaints) and engine (41 complaints). With a Klunk Score of 66/100, it earns a "Solid Pick" rating. If you're shopping for a Cadillac Sts, consider the 2010 model year which has 97% fewer complaints.

Safe Bet

The 2010 has 97% fewer complaints

View the 2010 Cadillac Sts dashboard →

66

Klunk Score: Solid Pick

Fewer complaints than most vehicles. Generally dependable, but check the top problems below.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

Recalls 1

Active safety recalls from NHTSA for this vehicle year.

06V007000 VEHICLE SPEED CONTROL

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 LIM...

Risk

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.

Reported Apr 10, 2026

Get notified if a recall hits this car.

We email you when NHTSA issues a new recall on the 2006 Cadillac Sts. No spam, no marketing.

Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyBrakesElectricalEngineTransmission
2005273312416
200624562419
2007832886
200814317124
200942621
201010210
201132200

By Category

Electrical
62
Engine
41
Body
24
Transmission
9
Brakes
5

By Severity

1
61
2
56
3
2
4
22

Worst Problems

Complaints

Body 2

The contact owns a 2006 Cadillac STS. The contact stated that while reversing out of the driveway at approximately 2 MPH, the driver's side tie rod fractured into two pieces. The contact stated no warning light was illuminated. The vehicle was taken to an independent mechanic and the tie rod was replaced. The vehicle was repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 120,000.

31mo ago
Engine 2

The contact owns a 2006 Cadillac STS. The contact stated while inspecting the vehicle, he noticed fuel dripping from the fuel tank. The contact stated no warning light was illuminated. The vehicle was not taken to a dealer. Upon investigation, the contact associated the failure with NHTSA Campaign Number: 14V542000 (Fuel System, Gasoline) however, the VIN was not included. The manufacturer was not informed of the failure. The failure mileage was approximately 140,000.

57mo ago
Engine 1

WHILE DRIVING, THE ENTIRE PANEL GOES "OFF" SHUTTING DOWN THE CAR COMPLETELY. THE PANEL BOARD IS COMPLETELY DARK, NO ELECTRIC SUPPLY, NO GAS SUPPLY.

72mo ago
Electrical 1

SERVICE AIRBAG ON THE DASH / AIRBAG LIGHT ON

76mo ago
Electrical 1

MY CAR HAS BEEN DIAGNOSED AS HAVING 'EXTENDED CRANK'. MY LOCAL CHEVY DEALER MADE APPROXIMATELY FIFTEEN ATTEMPTS AT FIXING IT TO NO AVAIL. I'M TOLD IT'S THE CHECK VALVE, BUT I HAVE NOT HAD THAT DONE BECAUSE ALL ATTEMPTS BY THE DEALER DIDN'T WORK; E.G., NEW COMPUTER (AND REMOVED), BATTERY (AND REMOVED), FUEL PUMP, ETC. VERY FRUSTRATING AND I FEEL IT'S A MATTER OF HEALTH AND SAFETY BECAUSE THE CAR ALMOST NEVER STARTS ON THE FIRST ATTEMPT, AND SOUNDS LIKE IT'S A DEAD BATTERY.

77mo ago
Electrical 1

I UNDERSTAND THAT 2006 CADILLAC CTS HAS A RECALL FOR AIRBAG PROBLEMS. CADILLAC DOESN'T DENY THAT THE SAME SYSTEM WAS USED IN THE STS. I'VE SEEN SEVERAL COMPLAINTS ABOUT THE SAME PROBLEM. I JUST WONDER WHY THE STS WAS NOT RECALLED. I KNEW THERE WAS NO WARRANTY, AND THAT'S WHY I CONTACTED CADILLAC. KNOWING THIS THEY SENT ME FOR A DIAGNOSTIC, WHICH WAS A WASTE OF TIME AND MONEY. THE END RESULT WAS THAT THEY SAID IT'S NOT UNDER WARRANTY. I WOULD JUST LIKE YOU TO INVESTIGATE TO SEE IF THERE SHOULD BE A RECALL. THIS IS A SAFETY ISSUE THAT CADILLAC SHOULD ADDRESS. *JS

81mo ago
Engine 2

LEAKS FUEL IF YOU FILL THE TANK TO CAPACITY. THIS WAS AN EARLIER RECALL, EXACT SAME THING HAPPENING AGAIN.

84mo ago
Engine 1

CERTAIN TIMES WHILE DRIVING, THE TRACTION ASSIST COMES ON, AND ALL POWER IS LOST TO THE ENGINE. LIGHTS ARE STILL ON, CAR IS STILL ON, BUT GAS DOES NOT ACCELERATE AND CAR IS HARD TO STEER. I HAVE HAD TO PULL OVER 6 TIMES IN THE LAST FEW MONTHS, TURN THE CAR OFF, RESTART AND HOPE IT DOES NOT HAPPEN AGAIN.

85mo ago
Engine 2

PUMP IS GOING OUT

89mo ago
Engine 1

TL* THE CONTACT OWNS A 2006 CADILLAC STS. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE HESITATED AND SPUTTERED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE CATALYTIC CONVERTER WAS FAULTY AND NEEDED TO BE REPLACED. WHILE THE VEHICLE WAS BEING SERVICED, THE MECHANIC DISCOVERED THAT THE REAR TOW DIFFERENTIAL WAS FAULTY. THE VEHICLE WAS NOT REPAIRED. WOODWORTH CADILLAC (339 N. MAIN STREET, ANDOVER, MA) AND THE MANUFACTURER WERE NOTIFIED OF THE FAILURES. THE FAILURE MILEAGE WAS 100,000.

89mo ago
Engine 1

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

90mo ago
Body 2

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.

91mo ago
Engine 1

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.

100mo ago
Electrical 2

SERVICE AIRBAG LIGHT STAYS ON.

101mo ago
Electrical 2

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.

102mo ago
Electrical 1

"TAKATA RECALL"

103mo ago
Electrical 1

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.

103mo ago
Body 1

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.

104mo ago
Electrical 1

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.

107mo ago
Electrical 1

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.

107mo ago

141 total

1/ 8
Report a Klunk