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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.

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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.

29 crash reports12 fire reports17 injury reports

Engine And Engine Cooling complaints

38 reports
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Mileage unknown · May 10, 2016
Electrical SystemEngine And Engine CoolingSteering

2003 CADILLAC CTS. CONSUMER WRITES IN REGARDS TO VEHICLE STARTS UP AND DRIVES FOR A WHILE THEN SHUTS DOWN WITHOUT WARNING. *SMD THE CONSUMER ALSO STATED THE IDLER ARMS AND CRANK SENSORS WERE REPLACED. *JB

NHTSA ODI #10863889

145,000 miles · Jan 21, 2012
Engine And Engine Cooling

AN OIL LEAK AFTER DRIVING ABOUT 35 MILES, COMPLETELY DRAINED OIL. BROUGHT CAR TO CADILLAC DEALER WHO CHARGER ME $4500 TO REPAIR. LOOKED ON MYCARSTATS.COM WEB SITE AND SAW ANOTHER OF THE SAME PROBLEM...CASE #[XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10444735

Mileage unknown · Dec 6, 2011
Engine And Engine CoolingFuel System, GasolinePower Train

2003 CADILAC CTS. CONSUMER WRITES IN REGARDS TO PROBLEMS WITH BRAKE SYSTEM *TGW THE CONSUMER STATED THE METAL BRAKE LINE HAD TO BE REPLACED, DUE TO SEVERE CORROSION. THE CONSUMER STATED HE RECEIVED A RECALL LETTER TWO DAYS LATER. ALSO, THE STRUTS, THREE WHEEL BEARINGS, RADIATOR, TRANSMISSION COOLER LINE ALSO HAD TO BE REPLAC…

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2003 CADILAC CTS. CONSUMER WRITES IN REGARDS TO PROBLEMS WITH BRAKE SYSTEM *TGW THE CONSUMER STATED THE METAL BRAKE LINE HAD TO BE REPLACED, DUE TO SEVERE CORROSION. THE CONSUMER STATED HE RECEIVED A RECALL LETTER TWO DAYS LATER. ALSO, THE STRUTS, THREE WHEEL BEARINGS, RADIATOR, TRANSMISSION COOLER LINE ALSO HAD TO BE REPLACED DUE TO CORROSION. THE CRUISE CONTROL AND GAS TANK, WHICH WAS LEAKING HAD TO REPLACED. *JB

NHTSA ODI #10438430

31,000 miles · Jul 7, 2011
Engine And Engine Cooling

UNDER 33,000 MILES ON THIS CAR. WHILE DRIVING DOWN A HILL I HEARD A LOUD CLANK NOISE. CAR LOST ALL STEERING AND BRAKE POWER COMPLETELY LOCKED UP. HAD TOWED TO SHOP AND THEY SAID TIMING CHAIN IS BROKEN AND PASSENGER SIDE OF ENGINE IS LOCKED UP WITH BENT VALVES. NO WARNING WHAT SO EVER. CHECK ENGINE LIGHT NEVER CAME ON. NOW T…

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UNDER 33,000 MILES ON THIS CAR. WHILE DRIVING DOWN A HILL I HEARD A LOUD CLANK NOISE. CAR LOST ALL STEERING AND BRAKE POWER COMPLETELY LOCKED UP. HAD TOWED TO SHOP AND THEY SAID TIMING CHAIN IS BROKEN AND PASSENGER SIDE OF ENGINE IS LOCKED UP WITH BENT VALVES. NO WARNING WHAT SO EVER. CHECK ENGINE LIGHT NEVER CAME ON. NOW THIS CAR NEEDS A NEW ENGINE. *TR

NHTSA ODI #10410948

90,100 miles · May 2, 2011
Engine And Engine CoolingStructure

TL*THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED WHENEVER THE VEHICLE WAS NOT STARTED FOR A FEW DAYS IT WOULD ONLY START WITH A JUMP START. THE VEHICLE WAS TAKEN TO THE DEALER AT LEAST THREE TIMES WHO STATED THE BATTERY CAUSED THE FAILURE TO OCCUR. A BRAND NEW BATTERY WAS INSTALLED BUT THE VEHICLE WOULD NOT START. THE…

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TL*THE CONTACT OWNS A 2003 CADILLAC CTS. THE CONTACT STATED WHENEVER THE VEHICLE WAS NOT STARTED FOR A FEW DAYS IT WOULD ONLY START WITH A JUMP START. THE VEHICLE WAS TAKEN TO THE DEALER AT LEAST THREE TIMES WHO STATED THE BATTERY CAUSED THE FAILURE TO OCCUR. A BRAND NEW BATTERY WAS INSTALLED BUT THE VEHICLE WOULD NOT START. THE CONTACT ALSO STATED THAT THE TRUNK WAS TOO HEAVY TO STAY IN THE UP POSITION EACH TIME SHE OPENED IT. THE TRUNK HAD FALLEN ONTO HER HEAD BUT THERE WERE NO INJURIES. THE MANUFACTURER STATED THAT THERE WERE NO RECALLS AND OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 90,100.

NHTSA ODI #10398460

130,000 miles · Feb 22, 2011
Engine And Engine Cooling

2003 CADILLAC CTS ALL I CAN SAY IS IM DISGUSTED WITH THIS CAR NOTHING BUT PROBLEMS. I DON'T KNOW IF THAT LEAKAGE THAT IS REPORTED ON HERE HAD SOMETHING TO DO WITH WHAT HAPPENED BUT NOW I HAVE A CAR SITTING IN MY DRIVEWAY WHICH I CAN'T USE BECAUSE IT HAS A LOUD KNOCKING SOUND COMING FROM ENGINE. WHICH MOST THAN LIKELY NEEDS REPLA…

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2003 CADILLAC CTS ALL I CAN SAY IS IM DISGUSTED WITH THIS CAR NOTHING BUT PROBLEMS. I DON'T KNOW IF THAT LEAKAGE THAT IS REPORTED ON HERE HAD SOMETHING TO DO WITH WHAT HAPPENED BUT NOW I HAVE A CAR SITTING IN MY DRIVEWAY WHICH I CAN'T USE BECAUSE IT HAS A LOUD KNOCKING SOUND COMING FROM ENGINE. WHICH MOST THAN LIKELY NEEDS REPLACED WHICH IS VERY EXPENSIVE CAN I SAY FIRST CADILLAC AND WILL NEVER BUY ANOTHER ONE EVER.. *TR

NHTSA ODI #10383949

73,638 miles · Feb 18, 2011
Electrical SystemEngine And Engine Cooling

WHILE TRAVELING AT MODERATE SPEED VEHICLE BEGAN SHAKING VIOLENTLY AND LOOSING POWER. THE ENGINE WAS MISSING ON ONE OR MORE CYLINDERS. DEALER RECOMMENDED REPLACING COIL, SPARKPLUG, VALVE COVER GASKETS AND OIL COOLER. THIS SEEMS TO HAVE BEEN CAUSED BY A DEFECT MENTIONED IN CAD CTS TSB ID # 1609265 DATED 2005. THIS TSB STATES THA…

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WHILE TRAVELING AT MODERATE SPEED VEHICLE BEGAN SHAKING VIOLENTLY AND LOOSING POWER. THE ENGINE WAS MISSING ON ONE OR MORE CYLINDERS. DEALER RECOMMENDED REPLACING COIL, SPARKPLUG, VALVE COVER GASKETS AND OIL COOLER. THIS SEEMS TO HAVE BEEN CAUSED BY A DEFECT MENTIONED IN CAD CTS TSB ID # 1609265 DATED 2005. THIS TSB STATES THAT THE CRANKCASE VAPORS AND ENGINE OIL WILL VENT THROUGH THE CAM/VALVE COVER SEALS WHEN THE CRANKCASE VENTILATION SYSTEM BECOMES BLOCKED. THE OIL ON THIS VEHICLE EVIDENTLY VENTED AND LEAKED SEVERAL PLACES INCLUDING INTO THE IGNITION COILS CAUSING A SHORT. IF THIS HAD HAPPENED IN INTERSTATE TRAFFIC AT HIGH SPEEDS THIS COULD HAVE CAUSED AN ACCIDENT OR IF THE OIL HAD LEAKED ON VERY HOT SURFACES POSSIBLY A FIRE. THE TSB SPECIFIED KITS THAT WERE TO BE INSTALLED TO PREVENTED THIS FROM HAPPENING. EVIDENTLY, THESE WERE NEVER INSTALLED ON THIS VEHICLE.

NHTSA ODI #10383848

68,782 miles · Dec 29, 2010
Engine And Engine CoolingEquipmentExterior Lighting

I'VE HAD NUMEROUS PROBLEMS EVER SINCE I BOUGHT MY 2003 CADILLAC CTS. MY ENGINE STARTS SMOKING UNDER THE HOOD WHEN I TURN ON MY HEATER WHEN IT'S COLD OUTSIDE. I REPLACED MY BRAKE LIGHTS SEVERAL TIMES. MY WINDSHIELD WIPER MODULE IS BROKE. I HAD TO GET A NEW MOTOR FOR MY WINDOW BECAUSE THAT BROKE. I HAD NOTHING BUT PROBLEMS WITH T…

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I'VE HAD NUMEROUS PROBLEMS EVER SINCE I BOUGHT MY 2003 CADILLAC CTS. MY ENGINE STARTS SMOKING UNDER THE HOOD WHEN I TURN ON MY HEATER WHEN IT'S COLD OUTSIDE. I REPLACED MY BRAKE LIGHTS SEVERAL TIMES. MY WINDSHIELD WIPER MODULE IS BROKE. I HAD TO GET A NEW MOTOR FOR MY WINDOW BECAUSE THAT BROKE. I HAD NOTHING BUT PROBLEMS WITH THIS CAR AND MANY OTHER PEOPLE HAVE THE SAME CONDITIONS AS ME. WHY ISN'T IT ON RECALL ??? I MEAN WE PAID GOOD MONEY FOR IT SO WE SHOULD GET THE SAME QUALITY BACK !!! I KNOW GM HAS TO REVIEW OUR COMMENTS. THEY JUST DON'T CARE ABOUT THERE CUSTOMERS. GM NEEDS BETTER CUSTOMER SERVICE BECAUSE THERE SERVICE SUCKS!!!! RECALL....RECALL....RECALL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! *TR

NHTSA ODI #10373347

70,000 miles · Nov 1, 2010
Electrical SystemElectronic Stability Control (esc)Engine And Engine Cooling

2003 CTS - SERVICE TRACKING SYSTEM BEGAN TO DISPLAY AND ENGAGE FREQUENTLY. TOOK TO LOCAL DEALER AND WAS TOLD NOTHING WAS WRONG WITH VEHICLE. PROBLEM CONTINUED AND BEGAN VIBRATING BADLY AND PULLING TOWARD LEFT (UNABLE TO BRAKE). RETURNED VEHICLE SEVERAL TIMES BEFORE THEY REPLACED "STEERING SENSOR" $650.00. TWO MONTHS LATER BEGAN…

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2003 CTS - SERVICE TRACKING SYSTEM BEGAN TO DISPLAY AND ENGAGE FREQUENTLY. TOOK TO LOCAL DEALER AND WAS TOLD NOTHING WAS WRONG WITH VEHICLE. PROBLEM CONTINUED AND BEGAN VIBRATING BADLY AND PULLING TOWARD LEFT (UNABLE TO BRAKE). RETURNED VEHICLE SEVERAL TIMES BEFORE THEY REPLACED "STEERING SENSOR" $650.00. TWO MONTHS LATER BEGAN TO LOSE POWER IMMEDIATELY AFTER START UP, DEALER REPLACED BATTERY. WHILE DRIVING VEHICLE HOME PROBLEM BEGAN AGAIN. DISPLAYED LOW BATTERY, THEN MULTIPLE WARNING LIGHTS FOR SERVICE (ABS, TRACKING, AIRBAG ECT...). RETURNED VEHICLE TO DEALER AND THEY ARE CURRENTLY REPLACING ALTERNATOR. I HAVE NO CONFIDENCE THAT THIS IS THE REAL PROBLEM BASED ON WHAT I HAVE READ ON-LINE REGARDING THIS SAME ISSUE. I ALSO HAVE SAME LEAKAGE ISSUES FROM BOTH COOLANT AND OIL SOURCES THAT I HAVE READ ON-LINE. DEALER CONTINUES TO TELL ME TO REPLACE BOTH GASKETS AND THERMOSTAT. THESE AGAIN ARE COMMON ISSUES THAT ARE POSTED CONSISTENTLY ON-LINE BY CONSUMERS. THESE ARE SERIOUSLY DANGEROUS FAILURES BASED ON PEOPLE'S PERSONAL SAFETY. GM MUST STEP UP AND HONOR THESE SAFETY ISSUES BY RECALLING THESE ITEMS. INABILITY TO CONTROL VEHICLE DUE TO TRACKING SYSTEM ENGAGING AND NOT ABLE TO BRAKE, VEHICLE LOSING POWER AND STALLING WHILE DRIVING 50 MILES AN HOUR, AND LASTLY FIRE HAZARD DUE TO LEAKING PLASTIC VALVE COVER GASKETS. *TR

NHTSA ODI #10363493

5,000 miles · Sep 24, 2010
Engine And Engine Cooling

DRIVING OUR 2003 CTS IT WILL SHUT OFF WITHOUT NOTICE. IT WAS PUT ON A MACHINE AND NOTHING SHOWED WRONG SINCE 2003. EVENTUALLY IT SHUT OFF AND WOULD STARTUP FOR 45 MIN (2010) THE CRANK SENSOR WAS REPLACED AND 2 WEEKS LATER IT SHUT OFF AGAIN.. *TR

NHTSA ODI #10357408

Official recalls

4

14V394000 · 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

0

No exact-year investigations in this snapshot.