← New search

2006 Cadillac Sts

Owner reports · Recalls · Investigations

Limited comparison data

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

About this comparison →

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

Power Train complaints

13 reports
Clear category filter
Mileage unknown · Feb 25, 2008
Power Train

TL*THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT RECEIVED A RECALL NOTICE IN THE BEGINNING OF FEBRUARY OF 2008 FOR THE DIFFERENTIAL SEAL ON THE DRIVE AXLE. HE CALLED THE DEALER TO SCHEDULE AN APPOINTMENT AND WAS INFORMED THAT NO PARTS WERE AVAILABLE AND THEY WOULD BE REPAIRING THE VEHICLES ON A FIRST COME, FIRST SERVE BASI…

Read full complaint

TL*THE CONTACT OWNS A 2006 CADILLAC STS. THE CONTACT RECEIVED A RECALL NOTICE IN THE BEGINNING OF FEBRUARY OF 2008 FOR THE DIFFERENTIAL SEAL ON THE DRIVE AXLE. HE CALLED THE DEALER TO SCHEDULE AN APPOINTMENT AND WAS INFORMED THAT NO PARTS WERE AVAILABLE AND THEY WOULD BE REPAIRING THE VEHICLES ON A FIRST COME, FIRST SERVE BASIS. THE DEALER COULD NOT PROVIDE A SPECIFIC DATE AS TO WHEN HE COULD GET HIS VEHICLE REPAIRED. THERE HAD BEEN NO FAILURE TO DATE. THE RECALL NUMBER WAS UNKNOWN. THE CURRENT MILEAGE WAS 27,000. UPDATE 04-02-08 *BF THE CNONSUMER STATED THE REPAIR WAS MADE IN MARCH 2008

NHTSA ODI #10219064

7,000 miles · Mar 26, 2007
Power Train

CAR IS 2006 CADILLAC STS4 AWD WITH 3.6L V6 ENGINE. REAR DIFFERENTIAL LEAKS OIL, CAR HAS 7,000 MILES. BROUGHT IT IN FOR SERVICE AND A SEAL WAS REPLACED. LESS THAN 60 DAYS LATER IT IS LEAKING AGAIN.*AK

NHTSA ODI #10186138

4,200 miles · Dec 11, 2006
Power Train

2006 CADILLAC STS FOUR WHEEL DRIVE V8. THE REAR DIFFERENTIAL LOCK-UP WITHOUT WARNING GOING AT 65 MPH ON I-94 EB FREEWAY AT THE 10 MILE RD EXIT IN MICHIGAN CAUSING THE VEHICLE TO BE OUT OF CONTROL AND SPIN AROUND THREE TIMES IN A CIRCLE FROM THE LEFT LANE TO THE RIGHT LANE ACROSS THE ENTIRE FREEWAY COMING TO A COMPLETE HALT O…

Read full complaint

2006 CADILLAC STS FOUR WHEEL DRIVE V8. THE REAR DIFFERENTIAL LOCK-UP WITHOUT WARNING GOING AT 65 MPH ON I-94 EB FREEWAY AT THE 10 MILE RD EXIT IN MICHIGAN CAUSING THE VEHICLE TO BE OUT OF CONTROL AND SPIN AROUND THREE TIMES IN A CIRCLE FROM THE LEFT LANE TO THE RIGHT LANE ACROSS THE ENTIRE FREEWAY COMING TO A COMPLETE HALT ON THE RIGHT SIDE SHOULDER. THE VEHICLE CAME CLOSE TO UPENDING AND ROLLING OVER. LUCKY THE DRIVER BEHIND THE CADILLAC WAS ABLE TO KEEP CONTROL OF THEIR CAR AND BRING IT TO A STOP WHICH HELPED TH PREVENT ANY ONCOMING VEHICLES TO HIT THE CADILLAC. THE LOCKING UP OF THE DIFFERENTIAL WAS A VIOLENT REACTION CAUSING THE DRIVER TO HAVE NO CONTROL OVER THE VEHICLE BECAUSE THE CAR TURNED OFF. THE DRIVER HAD NO CONTROL OVER THE SPIN. A REPORT WAS FILED WITH THE MICHIGAN STATE POLICE. THE VEHICLE HAD TO BE TOWED TO DON GOOLEY CADILLAC DEALERSHIP IN ST. CLAIR SHORES, MICHIGAN. *NM

NHTSA ODI #10175760

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.