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2005 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

81 reports with mileage · 20 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.

  • Electrical System. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

13 crash reports4 fire reports4 injury reports

Electrical System complaints

23 reports
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99,130 miles · Jul 30, 2012
Electrical System

CAR SHUTS OFF WITHOUT WARNING GOING DOWN THE FREEWAY AT 70 MPH. MUST GET OUT OF HARMS WAY COME TO COMPLETE STOP PUT IN PARK AND RESTART. WHEN CAR SHUTS DOWN LOSS OF POWER STEERING, POWER BRAKES, RADIO, GAUGES AND LIGHTS. THIS HAS HAPPENED SEVEN TIMES. GM CADILLAC CUSTOMER SUPPORT IS WORKING ON IT CASE NO [XXX]EMPLOYEE [XXX] PH…

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CAR SHUTS OFF WITHOUT WARNING GOING DOWN THE FREEWAY AT 70 MPH. MUST GET OUT OF HARMS WAY COME TO COMPLETE STOP PUT IN PARK AND RESTART. WHEN CAR SHUTS DOWN LOSS OF POWER STEERING, POWER BRAKES, RADIO, GAUGES AND LIGHTS. THIS HAS HAPPENED SEVEN TIMES. GM CADILLAC CUSTOMER SUPPORT IS WORKING ON IT CASE NO [XXX]EMPLOYEE [XXX] PHONE 1-866-790-5700 EXT [XXX] HOWEVER TEC IN DETROIT WANTED TO USE A BRAND NEW SWITCH REPLACEMENT THEY OVERNIGHTED TO VAN CADILLAC IN KANSAS CITY HOWEVER[XXX] NOR I CAN FIND OUT IF THEY USED IT OR A RECONDITIONED ONE FROM STOCK AS REPAIRS WERE COMPLETED BEFORE SHIPMENT ARRIVED. SERVICE MANAGER [XXX]PHONE 816-454-6666 WILL NOT RETURN CALLS AND I AM AFRAID TO HAVE MY WIFE DRIVE IT AGAIN UNLESS IT HAS BEEN REPAIRED ACCORDING TO THE GM TECH TEAM IN DETROIT. THEY WILL NOT TELL ME IF THIS HAS HAPPENED BEFORE AND IS A RECALL PROBLEM. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10468237

40,898 miles · Jan 21, 2011
Electrical SystemEngine And Engine Cooling

THE CAR HAS HAD SEVERAL DOCUMENTED ELECTRICAL AND MECHANICAL FAILURES. OVER THE PAST 2 YEARS THE CAR HAS BEEN SHUTTING DOWN AUTOMATICALLY IN THE MIDDLE OF TRAFFIC. THE DISPLAY SHOWS 'ENGINE POWER REDUCED' AND IS FOLLOWED BY OTHER MESSAGES LIKE 'SERVICE ANTI-LOCK BRAKE SYS' OR 'SERVICE RADAR' OR SERVICE STABILITY SYS AND TRACTI…

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THE CAR HAS HAD SEVERAL DOCUMENTED ELECTRICAL AND MECHANICAL FAILURES. OVER THE PAST 2 YEARS THE CAR HAS BEEN SHUTTING DOWN AUTOMATICALLY IN THE MIDDLE OF TRAFFIC. THE DISPLAY SHOWS 'ENGINE POWER REDUCED' AND IS FOLLOWED BY OTHER MESSAGES LIKE 'SERVICE ANTI-LOCK BRAKE SYS' OR 'SERVICE RADAR' OR SERVICE STABILITY SYS AND TRACTION CONTROL.' BEFORE THE CAR SHUTS DOWN THE TRACTION CONTROL IS AUTOMATICALLY DISABLED. I HAVE HAD TO BRING THE CAR IN FOR THE SAME SYMPTOM 4 DIFFERENT TIMES. THE IN-SERVICE DATES THAT WERE DESCRIBED AND DOCUMENTED FOR THIS PROBLEM ARE AS FOLLOWS: 1.)FEBRUARY 22, 2008 ' 'POOR DRAG ON C102 CONNECTOR UNDER HOOD' 2.)APRIL 24, 2009 ' 'FAILED CONVERTER' 3.)OCTOBER 1, 2009 ' 'ECM FAILED' 4.)MAY 5, 2010 ' 'REPROGRAM PCM' ALL OF THE ABOVE WERE SERVICED BY CLASSIC CADILLAC SAAB. EACH TIME THEY FIX SOMETHING NEW BUT THE SAME SYMPTOM CONTINUES TO OCCUR. I AM EXTREMELY CONCERNED FOR MY FAMILY'S SAFETY WHEN TRAVELING IN THE CAR, ESPECIALLY WHEN IT HAS SHUTDOWN NUMEROUS TIMES BOTH ON A HIGHWAY AND IN THE MIDDLE OF AN INTERSECTION. THE CAR HAS BECOME A SEVERE LIABILITY FOR BOTH ME AND MY FAMILY. SOMETIME IN DECEMBER 2010 THE CAR HAD SHUTDOWN AGAIN AND THE ENGINE LIGHT HAS BEEN ON AND OFF SINCE THEN. *TR

NHTSA ODI #10378184

61,000 miles · Sep 8, 2008
Electrical System

TL*THE CONTACT OWNS A 2005 CADILLAC STS. WHILE DRIVING 70 MPH, THE VEHICLE LOST POWER AND SHUT OFF. THE HAZARD LIGHTS WERE INOPERATIVE. THE DEALER STATED THAT THE NEGATIVE BATTERY CABLE WAS LOOSE. THE VEHICLE IS CURRENTLY OUT OF THE SHOP; HOWEVER, THE CONTACT IS CONCERNED ABOUT THE ISSUE AND NO LONGER WANTS THE VEHICLE. THE…

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TL*THE CONTACT OWNS A 2005 CADILLAC STS. WHILE DRIVING 70 MPH, THE VEHICLE LOST POWER AND SHUT OFF. THE HAZARD LIGHTS WERE INOPERATIVE. THE DEALER STATED THAT THE NEGATIVE BATTERY CABLE WAS LOOSE. THE VEHICLE IS CURRENTLY OUT OF THE SHOP; HOWEVER, THE CONTACT IS CONCERNED ABOUT THE ISSUE AND NO LONGER WANTS THE VEHICLE. THE CURRENT AND FAILURE MILEAGES WERE 61,000.

NHTSA ODI #10241395

47,000 miles · Jan 30, 2008
Electrical SystemFuel System, Gasoline

TL*THE CONTACT OWNS A 2005 CADILLAC STS. THE GAS TANK WAS FILLED WITH GAS AND THE FUEL GAUGE INDICATED THAT THE TANK WAS FULL. HOWEVER, IMMEDIATELY AFTER FILLING THE GAS TANK, THE CONTACT NOTICED THAT THE FUEL GAUGE INDICATED AN EMPTY TANK. THE FAILURE WAS NOTICED WHILE DRIVING 65 MPH. THE EMERGENCY ONSTAR BUTTON ACTIVATED A…

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TL*THE CONTACT OWNS A 2005 CADILLAC STS. THE GAS TANK WAS FILLED WITH GAS AND THE FUEL GAUGE INDICATED THAT THE TANK WAS FULL. HOWEVER, IMMEDIATELY AFTER FILLING THE GAS TANK, THE CONTACT NOTICED THAT THE FUEL GAUGE INDICATED AN EMPTY TANK. THE FAILURE WAS NOTICED WHILE DRIVING 65 MPH. THE EMERGENCY ONSTAR BUTTON ACTIVATED AUTOMATICALLY. ONSTAR STATED THAT THE FUEL SYSTEM FAILED. THE VEHICLE WAS AT THE DEALER FOR TEN DAYS AND WAS STILL UNSAFE TO DRIVE BECAUSE NO REPAIRS WERE MADE. THE CURRENT AND FAILURE MILEAGES WERE 47,000.

NHTSA ODI #10216477

96,000 miles · Apr 23, 2007
Electrical System

TL* THE CONTACT OWNED A 1995 CADILLAC STS. THE SPEEDOMETER INDICATOR MOVED WITHOUT THE VEHICLE BEING DRIVEN. WHEN THE THE SIGNAL LIGHTS WERE ACTIVATED THE RADIO LIGHTS BLINKED ON & OFF. THE AIR CONDITIONER IMMEDIATELY SWITCHED FROM COLD TO HOT AIR. THE CRUISE CONTROL ACTIVATED, BUT DID NOT WORK. THE VEHICLE HAS NOT BEE…

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TL* THE CONTACT OWNED A 1995 CADILLAC STS. THE SPEEDOMETER INDICATOR MOVED WITHOUT THE VEHICLE BEING DRIVEN. WHEN THE THE SIGNAL LIGHTS WERE ACTIVATED THE RADIO LIGHTS BLINKED ON & OFF. THE AIR CONDITIONER IMMEDIATELY SWITCHED FROM COLD TO HOT AIR. THE CRUISE CONTROL ACTIVATED, BUT DID NOT WORK. THE VEHICLE HAS NOT BEEN DIAGNOSED AT THIS TIME. THE CURRENT MILEAGE IS 133,000, AND FAILURE MILEAGE WAS 96,000. *AK

NHTSA ODI #10188566

Mileage unknown · Apr 21, 2007
Electrical SystemEngine And Engine Cooling

2005 CADILLAC STS. CHECK ENGINE LIGHT COMES ON AFTER REPEATED ATTEMPTS TO FIX. CODE PO171, PO174. *TR

NHTSA ODI #10188482

21,227 miles · Mar 7, 2007
Electrical System

VEHICLE PARKED IN GARAGE FOR 4 DAYS. CAR BATTERY WAS COMPLETELY DRAINED OF POWER. NEEDED TO BE RE-CHARGED. DEALERSHIP WAS UNABLE TO IDENTIFY CAUSE OF BATTERY LOOSING POWER. PROBLEM ORIGINALLY OCCURRED ON SEPTEMBER 25, 2006 SAME AS MARCH 2, 3007 - BATTERY COMPLETELY DRAINED OF POWER. CAR WAS TOWED TO DEALERSHIP - DEALERSHIP …

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VEHICLE PARKED IN GARAGE FOR 4 DAYS. CAR BATTERY WAS COMPLETELY DRAINED OF POWER. NEEDED TO BE RE-CHARGED. DEALERSHIP WAS UNABLE TO IDENTIFY CAUSE OF BATTERY LOOSING POWER. PROBLEM ORIGINALLY OCCURRED ON SEPTEMBER 25, 2006 SAME AS MARCH 2, 3007 - BATTERY COMPLETELY DRAINED OF POWER. CAR WAS TOWED TO DEALERSHIP - DEALERSHIP CLAIMED PROBLEM WAS BODY CONTROL MODULE (WOULD CAUSE HIGH BEAMS TO COME ON WHEN CAR WAS OFF) - REPLACED. *JB

NHTSA ODI #10184476

15,526 miles · Apr 21, 2006
Electrical SystemVehicle Speed ControlCrash

THE CONSUMER HAS PROBLEMS WITH THE VEHICLE NOT WANTING TO START. THE CONSUMER WAS TOLD THAT SINCE THE VEHICLE IS COMPLETELY ELECTRIC THAT SOMETIMES THE CIRCUITS OR TRANSMITTERS BLOW OUT, 2005 CADILLAC STS. *NM WHILE APPROACHING A RED LIGHT THE BRAKES FAILED AND THE VEHICLE'S SPEED INCREASED. THE CONSUMER PURPOSELY RAN INTO …

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THE CONSUMER HAS PROBLEMS WITH THE VEHICLE NOT WANTING TO START. THE CONSUMER WAS TOLD THAT SINCE THE VEHICLE IS COMPLETELY ELECTRIC THAT SOMETIMES THE CIRCUITS OR TRANSMITTERS BLOW OUT, 2005 CADILLAC STS. *NM WHILE APPROACHING A RED LIGHT THE BRAKES FAILED AND THE VEHICLE'S SPEED INCREASED. THE CONSUMER PURPOSELY RAN INTO A DIVIDER TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT REMAINED FOR 45 DAYS. *NM

NHTSA ODI #10156284

45 miles · Feb 16, 2006
Electrical System

DT*: THE CONTACT STATED AFTER THE VEHICLE WAS LEFT PARKED FOR FIVE DAYS OR LONGER THE BATTERY NEEDED RECHARGED. THE FIRST TIME THE VEHICLE WAS TOWED TO A DEALERSHIP. AFTER THE VEHICLE WAS INSPECTED, THE DEALER WAS UNABLE TO IDENTIFY WHAT CAUSED THE BATTERY TO LOOSE POWER. THE PROBLEM CONTINUED TO OCCUR. THE BATTERY HAD NOT …

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DT*: THE CONTACT STATED AFTER THE VEHICLE WAS LEFT PARKED FOR FIVE DAYS OR LONGER THE BATTERY NEEDED RECHARGED. THE FIRST TIME THE VEHICLE WAS TOWED TO A DEALERSHIP. AFTER THE VEHICLE WAS INSPECTED, THE DEALER WAS UNABLE TO IDENTIFY WHAT CAUSED THE BATTERY TO LOOSE POWER. THE PROBLEM CONTINUED TO OCCUR. THE BATTERY HAD NOT BEEN REPLACED ONLY RECHARGED.

NHTSA ODI #10150446

14,000 miles · Feb 7, 2006
Electrical SystemSeatsFire

DT*: THE CONTACT STATED WHILE DRIVING AT 45 MPH SMOKE WAS DETECTED INSIDE THE VEHICLE. FIFTEEN MINUTES LATER THE VEHICLE WAS ENGULFED WITH SMOKE. THE OCCUPANTS GOT OUT OF THE VEHICLE. AFTER A FEW MINUTES THEY GOT BACK IN THE VEHICLE AND DROVE IT HOME. THE VEHICLE WAS TAKEN TO A DEALERSHIP THE FOLLOWING MORNING, DIAGNOSTICS …

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DT*: THE CONTACT STATED WHILE DRIVING AT 45 MPH SMOKE WAS DETECTED INSIDE THE VEHICLE. FIFTEEN MINUTES LATER THE VEHICLE WAS ENGULFED WITH SMOKE. THE OCCUPANTS GOT OUT OF THE VEHICLE. AFTER A FEW MINUTES THEY GOT BACK IN THE VEHICLE AND DROVE IT HOME. THE VEHICLE WAS TAKEN TO A DEALERSHIP THE FOLLOWING MORNING, DIAGNOSTICS TEST WERE PERFORMED ON THE VEHICLE. THE PROBLEM WAS THE WIRING AND THE MODULE UNDER THE SEAT HAD MELTED. THE REPAIRS HAVE BEEN MADE. THE MANUFACTURER HAS BEEN NOTIFIED. THE CONSUMER WAS TOLD THE WIRING WAS ROUTED INCORRECTLY UPDATED 03/17/06. *JB

NHTSA ODI #10149656

Official recalls

3

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.

06V125000 · Suspension:rear

Apr 20, 2006

CERTAIN VEHICLES HAVE A LEFT OR RIGHT REAR SUSPENSION TOE LINK THAT COULD SEPARATE BECAUSE OF AN INCORRECT WELD.

Consequence & remedy

Consequence: IF THIS WERE TO OCCUR, THE AFFECTED REAR WHEEL WOULD BE ABLE TO TURN IN OR OUT, AFFECTING VEHICLE CONTROL, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL INSPECT THE RIGHT AND LEFT TOE LINK AND REPLACE AS REQUIRED. IF A TOE LINK IS REPLACED, THE DEALER WILL PERFORM A WHEEL ALIGNMENT. THE RECALL BEGAN ON MAY 3, 2006. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339.

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.

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.