NOTICED OIL PUDDLE UNDER VEHICLE WHICH LEAD TO DISCOVERY OF TOTAL BRAKE FAILURE. WHEN DISCUSSED WITH DEALER SERVICE MANAGER STATED "SO WHAT I HAVE A DENALI AT HOME WITH THE SAME PROBLEM". GM OFFERED NO RELIEF OR SOLUTION WHEN CONTACTED. *TR
2003 Cadillac Cts
Owner reports · Recalls · Investigations
More warning signs than most Cts years
Owner complaints for the 2003 Cadillac Cts are substantially higher than the model-year median of 101.
About this comparison →How this year compares
Owner complaints by model year
Compare all Cts years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
219 reports with mileage · 94 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 56 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 38 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Exterior Lighting. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes complaints
21 reportsTL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 10V105000 (SERVICE BRAKES, HYDRAULIC) AND NHTSA CAMPAIGN NUMBER: 14V394000 (ELECTRICAL SYSTEM). THE CONTACT STATED THAT THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE A…
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TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 10V105000 (SERVICE BRAKES, HYDRAULIC) AND NHTSA CAMPAIGN NUMBER: 14V394000 (ELECTRICAL SYSTEM). THE CONTACT STATED THAT THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT DID NOT EXPERIENCE A FAILURE.
TL* THE CONTACT OWNS A 2003 CADILLAC CTS. WHILE DRIVING APPROXIMATELY 70 MPH, THE STEERING WHEEL BECAME DIFFICULT TO MANEUVER AND THE ENGINE STALLED. THE DRIVER SIDE DOOR LATCH BECAME INOPERABLE, AND THE BRAKE, CHECK ENGINE, AND TRACTION CONTROL INDICATORS ILLUMINATED. THE CONTACT WAITED FOR A FEW MINUTES AND THE VEHICLE RESTART…
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TL* THE CONTACT OWNS A 2003 CADILLAC CTS. WHILE DRIVING APPROXIMATELY 70 MPH, THE STEERING WHEEL BECAME DIFFICULT TO MANEUVER AND THE ENGINE STALLED. THE DRIVER SIDE DOOR LATCH BECAME INOPERABLE, AND THE BRAKE, CHECK ENGINE, AND TRACTION CONTROL INDICATORS ILLUMINATED. THE CONTACT WAITED FOR A FEW MINUTES AND THE VEHICLE RESTARTED. THE FAILURE OCCURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT THE CAUSE OF THE FAILURES COULD NOT BE DIAGNOSED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 104,000.
TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED THAT THE BRAKE PEDAL WAS DEPRESSED AND TRAVELED TO THE FLOORBOARD ABNORMALLY. THE CONTACT APPLIED THE EMERGENCY BRAKE AND SHIFTED INTO PARK IN ORDER FOR THE VEHICLE TO STOP AND AVOIDED ROLLING AWAY. THE CONTACT MENTIONED THAT THE FAILURE WAS BECOMING PROGRESSIVELY WORS…
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TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED THAT THE BRAKE PEDAL WAS DEPRESSED AND TRAVELED TO THE FLOORBOARD ABNORMALLY. THE CONTACT APPLIED THE EMERGENCY BRAKE AND SHIFTED INTO PARK IN ORDER FOR THE VEHICLE TO STOP AND AVOIDED ROLLING AWAY. THE CONTACT MENTIONED THAT THE FAILURE WAS BECOMING PROGRESSIVELY WORSE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS UNAVAILABLE.
TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE BRAKE PEDAL WAS DEPRESSED AND TRAVELED ABNORMALLY TO THE FLOORBOARD. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE MECHANIC DIAGNOSED THAT THE CALIPER WAS CORRODED AND DETACHED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE…
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TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE BRAKE PEDAL WAS DEPRESSED AND TRAVELED ABNORMALLY TO THE FLOORBOARD. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE MECHANIC DIAGNOSED THAT THE CALIPER WAS CORRODED AND DETACHED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER: 10V105000 (SERVICE BRAKES, HYDRAULIC). THE APPROXIMATE FAILURE MILEAGE WAS 131,000.
MY CAR FAIL TO STOP ON THE INTERSTATE I-80 CAUSED A CRASH . WITH ALOT INJURY ON MY BODY . *TR
THIS MORNING WHEN I BACKED MY CTS OUT OF THE PARKING SPOT TO GO TO WORK I NOTICED THE BRAKES WERE A LITTLE SOFT. I THEN PARKED THE CAR AND OPENED THE HOOD TO LOOK AT THE BRAKE FLUID RESERVOIR AND NOTICED IT WASN'T COMPLETELY FULL BUT THERE WAS STILL A SUFFICIENT LEVEL OF FLUID. I THEN LOOKED AT THE GROUND AND NOTICED A LINE OF…
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THIS MORNING WHEN I BACKED MY CTS OUT OF THE PARKING SPOT TO GO TO WORK I NOTICED THE BRAKES WERE A LITTLE SOFT. I THEN PARKED THE CAR AND OPENED THE HOOD TO LOOK AT THE BRAKE FLUID RESERVOIR AND NOTICED IT WASN'T COMPLETELY FULL BUT THERE WAS STILL A SUFFICIENT LEVEL OF FLUID. I THEN LOOKED AT THE GROUND AND NOTICED A LINE OF LIQUID THAT TRACED MY MOVEMENT BACKWARDS OUT OF THE PARKING SPOT AND THEN BACK INTO THE PARKING SPOT, THIS LIQUID WAS BRAKE FLUID. IMAGINE MY SURPRISE AT HAVING A SECOND GM VEHICLE WITH A BRAKE LINE FAILURE 30 DAYS AFTER EXPERIENCING A BRAKE LINE FAILURE FOR THE FIRST TIME IN MY 40+ YEARS OF DRIVING AND OWNING VEHICLES. THE FIRST WAS A 2001 TAHOE WHICH I REPORTED LAST MONTH TO NHTSA AND WHICH COST ME OVER $1,000 TO REPLACE ALL OF THE BRAKE LINES. AFTER WORK THIS EVENING I EXAMINED THE CTS AND DISCOVERED EXTREME CORROSION IN THE TWO BRAKE LINES RUNNING FROM THE MASTER CYLINDER TO THE ABS UNIT IN THE FRONT OF THE ENGINE BAY. THE CORROSION IS WORST WHERE THE LINES RUN BEHIND THE RADIATOR AND IT APPEARS BOTH LINES HAVE FAILED. THE LORD MUST HAVE BEEN LOOKING OUT AFTER ME BECAUSE LAST NIGHT I DROVE 37 MILES FROM BALTIMORE ON THE INTERSTATE. HAD THE BRAKES FAILED THEN I IMAGINE I WOULD HAVE BEEN IN A SPECTACULAR ACCIDENT ON I-95 THAT MAY HAVE TAKEN MY LIFE AS WELL AS OTHERS. GM RECALLED THE CTS FOR BRAKE LINE CORROSION BY THE CALIPERS WHERE THE LINE CONNECTS INSIDE A RUBBER PIECE. NHTSA IS INVESTIGATING BRAKE LINE CORROSION ON 1999 TO 2003 FULL SIZE GM TRUCKS AND PICKUPS AND I SUGGEST THE INVESTIGATION BE EXPANDED TO INCLUDE ALL GM VEHICLES OF THIS VINTAGE AS IT APPEARS GM USED AN INFERIOR GRADE OF STEEL IN THEIR BRAKE LINES IN ALL OF THE VEHICLES. *TR
TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED WHILE DRIVING VARIOUS SPEEDS THE THIRD BRAKE LIGHT WOULD NOT ILLUMINATE UPON DEPRESSING THE BRAKE PEDAL AND THE REAR BRAKE LIGHT PLASTIC PANEL HOUSING WAS FAULTY. IN ADDITION, THE CENTER OF THE FRAME EXHIBITED SEVERE CORROSION. THE DEFECT WAS NOT DIAGNOSED NOR WAS IT R…
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TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED WHILE DRIVING VARIOUS SPEEDS THE THIRD BRAKE LIGHT WOULD NOT ILLUMINATE UPON DEPRESSING THE BRAKE PEDAL AND THE REAR BRAKE LIGHT PLASTIC PANEL HOUSING WAS FAULTY. IN ADDITION, THE CENTER OF THE FRAME EXHIBITED SEVERE CORROSION. THE DEFECT WAS NOT DIAGNOSED NOR WAS IT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE DEFECT. THE FAILURE MILEAGE WAS UNAVAILABLE. UPDATED 09/05/13 *LJ
AS I WAS DRIVING DOWN THE HIGHWAY, THE STABILITY CONTROL LIGHT CAME ON, THEN THE BRAKES SEEMED TO JERK A LITTLE AND THE CAR LOST MOST OF IT'S POWER. I HAD A MECHANIC TEST IT, AND THEY SAID THEY COULDN'T FIND A REASON FOR IT. THE STABILITY CONTROL LIGHT STAYED ON, BUT I DIDN'T SEEM TO HAVE THE PROBLEM AGAIN UNTIL ABOUT 2-3 MONTHS…
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AS I WAS DRIVING DOWN THE HIGHWAY, THE STABILITY CONTROL LIGHT CAME ON, THEN THE BRAKES SEEMED TO JERK A LITTLE AND THE CAR LOST MOST OF IT'S POWER. I HAD A MECHANIC TEST IT, AND THEY SAID THEY COULDN'T FIND A REASON FOR IT. THE STABILITY CONTROL LIGHT STAYED ON, BUT I DIDN'T SEEM TO HAVE THE PROBLEM AGAIN UNTIL ABOUT 2-3 MONTHS LATER WHEN I WAS GOING 70 DOWN THE HIGHWAY, LOST ALL POWER AND THE MOTOR SHUT DOWN. CADILLAC WOULD NOT RESTART, HAD TO HAVE IT TOWED OVER 2 HOURS BACK HOME, ONLY TO FIND THAT THIS TIME THE TIMING BELT HAD BROKEN AND THE MOTOR IS BLOWN SINCE THESE CARS HAVE INTERFERENCE MOTORS WHICH CAUSES THE VALVES TO GET BENT WHEN THE TIMING BELT BREAKS. I AM NOW WITHOUT A VEHICLE AND WAS ALMOST IN 2 ACCIDENTS DUE TO THIS. ANOTHER ISSUE IS THE LIGHT COVER FROM THE LIGHTS ON THE TRUNK CAME OFF IN THE CAR WASH AND BROKE. APPARENTLY THIS IS A KNOWN ISSUE YET CADILLAC REFUSES TO FIX IT. THEIR ADHESIVE WAS NOT STRONG ENOUGH TO HOLD ON THE PLASTIC. THIS WAS MY FIRST CADILLAC, AND WILL BE MY LAST. THEY ARE DANGEROUS AND THEY REFUSE TO FIX THEIR FAILURES. *TR
TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE VEHICLE HESITATED AND ALL OF THE LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION WHERE THEY STATED THAT THE ABS CONTROL MODULE FAILED. THE VEHICLE WAS NOT REPAIRED BECAUSE THE CONTACT WAS AD…
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TL* THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE VEHICLE HESITATED AND ALL OF THE LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION WHERE THEY STATED THAT THE ABS CONTROL MODULE FAILED. THE VEHICLE WAS NOT REPAIRED BECAUSE THE CONTACT WAS ADVISED BY BOTH THE DEALER AND THE MANUFACTURER THAT THE PART WAS NOT BEING MANUFACTURED BY THEM ANY LONGER. THE FAILURE MILEAGE WAS 73,000.
Official recalls
414V394000 · Electrical System:ignition
Jul 2, 2014
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on July 2, 2014 that they are recalling 554,328 model year 2003-2014 Cadillac CTS vehicles manufactured August 16, 2001, to April 28, 2014, and 2004-2006 Cadillac SRX vehicles manufactured March 20, 2003, to August 11, 2006. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
Consequence & remedy
Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 15, 2014. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 14172.
10V105000 · Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings
Mar 17, 2010
GENERAL MOTORS HAS NOTIFIED NHTSA OF A DEFECT IN CERTAIN MODEL YEAR 2003-2007 CADILLAC CTS VEHICLES CURRENTLY REGISTERED IN OR ORIGINALLY SOLD IN CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON D.C., WEST VIRGINIA AND WISCONSIN. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE FRONT BRAKE HOSE FITTING AT THE CALIPER MAY CORRODE DUE TO SNOW OR WATER, CONTAINING ROAD SALT OR OTHER CONTAMINANTS, ENTERING AND BEING RETAINED IN THE ROUTING SLEEVE. IF THE FITTING CORRODES SIGNIFICANTLY, THE BRAKE HOSE-TUBE INTERFACE MAY DEVELOP A LEAK.
Consequence & remedy
Consequence: THE BRAKE HOSE-TUBE INTERFACE MAY RUPTURE SUDDENLY WITHOUT PRIOR WARNING AND INCREASE VEHICLE STOPPING DISTANCE MAY OCCUR INCREASING THE RISK OF A CRASH.
Remedy: DEALERS ARE TO REPLACE BOTH FRONT BRAKE HOSE ASSEMBLIES FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING MAY 2010. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.
03V250000 · Equipment:other:owners/service/other Manual
Jul 15, 2003
CERTAIN MINIVANS, PASSENGER AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEM." THE OWNER'S MANUAL DOES NOT EXPLAIN THE MEANING OF THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT LOWER UNIVERSAL ANCHORAGE SYSTEM.
Consequence & remedy
Consequence: THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.
Remedy: OWNERS WILL BE PROVIDED WITH A SUPPLEMENT FOR THEIR OWNER'S MANUAL. THIS SUPPLEMENT DESCRIBES AND SHOWS THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT ANCHORS THAT ARE LOCATED IN THE VEHICLE AND ON THE CHILD RESTRAINT OR BOOSTER CUSHION. OWNER NOTIFICATION BEGAN AUGUST 18, 2003. OWNERS SHOULD CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, PONTIAC AT 1-800-620-7668, OR OLDSMOBILE AT 1-800-630-6537.
03V115000 · Steering
Mar 24, 2003
SOME PASSENGER VEHICLES HAVE A CONDITION IN WHICH THE INTERMEDIATE STEERING SHAFT BOLT MAY BE LOOSE.
Consequence & remedy
Consequence: AN IMPROPERLY TIGHTENED BOLT COULD LOOSEN, RESULTING IN SEPARATION OF THE UPPER AND LOWER STEERING SHAFTS CAUSING A LOSS OF VEHICLE CONTROL. IF THIS HAPPENS WHILE THE VEHICLE IS MOVING, A CRASH COULD RESULT WITHOUT PRIOR WARNING.
Remedy: DEALERS WILL INSPECT FOR THE PRESENCE OF THE INTERMEDIATE STEERING SHAFT BOLT AND ENSURE THAT IT IS TIGHTENED TO THE PROPER SPECIFICATION. OWNER NOTIFICATION BEGAN MARCH 20, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CADILLAC AT 1-800-458-8006.
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
0No exact-year investigations in this snapshot.
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