Problems · by component

2003 Cadillac CTS electrical system problems

57 owner complaints to NHTSA about the 2003 Cadillac CTS cite electrical system, 18% of all 319 complaints for this model year. NHTSA also lists 1 recall on this component.

Complaints
57
18% of all complaints
Crashes
4
Reported by owners
Fires
4
Reported by owners
Injuries
4
Reported by owners
01 —Owner reports

What owners say about the electrical system

Verbatim from NHTSA complaints, newest first
“The contact owns a 2003 Cadillac CTS. The contact stated that when driving at various speeds the vehicle would suddenly stalled and the instrument panel would illuminate. The message stating "starting disabled remove key" would display. The contact stated that they would be able to coast and restart the vehicle. Other times the contact would have to pull over to the side of the road and restart the vehicle. The contact took the vehicle to the dealer who was unable to diagnose the vehicle. The vehicle had not been repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 121,000.”
Owner complaint to NHTSAFiled Jul 5, 2022Engine, Electrical systemODI 11472357
“The computer isn’t telling the alternator to charge the battery so the batteries are being all of the way drained without anything recharging them. Beans new batteries get ruined fast.”
Owner complaint to NHTSAFiled Jun 25, 2021Electrical systemODI 11422321
“TL* THE CONTACT OWNS A 2003 CADILLAC CTS. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE SUDDENLY SHUT OFF. AFTER RESTARTING THE ENGINE, THE VEHICLE OPERATED NORMALLY. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE LOCAL DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 128,900.”
Owner complaint to NHTSAFiled Dec 18, 2019Electrical system, EngineODI 11289829
“TL* THE CONTACT OWNS A 2003 CADILLAC CTS. WHILE DRIVING VARIOUS SPEEDS, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD WHEN IT WAS DEPRESSED AND THE VEHICLE FAILED TO STOP. ALSO, THE KEY BECAME STUCK INSIDE THE IGNITION SWITCH AND THE CONTACT DETECTED FUEL LEAKING FROM THE VEHICLE. FURTHERMORE, THE "REMOVE KEY" MESSAGE WAS DISPLAYED AND THE DOOR LOCK AND AIR BAG WARNING INDICATORS ILLUMINATED. THE CONTACT CALLED WINTER CHEVROLET (3750 CENTURY CT, PITTSBURG, CA 94565, (925) 232-0290) AND INFORMED THEM OF THE FAILURE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE BRAKES, KEY, AND BATTERY WERE REPLACED. THE MANUFACTURER WAS CONTACTED AND REFERRED THE CONTACT TO NHTSA. THE FAILURE MILEAGE WAS 185,000.”
Owner complaint to NHTSAFiled Oct 28, 2019Electrical system, Service brakes, Fuel/propulsion systemODI 11271664
“AT ABOUT APPROXIMATELY 4:22 AM THIS MORNING MY CAR WAS ENGULFED IN FLAMES IN MY DRIVEWAY. I WAS AWAKENED BY MY CADILLAC CTS 2003 CAR ALARM AS THE FLAMES WE'RE VISIBLE THRU MY BEDROOM WINDOW. AT WHICH TIME I RAN OUTSIDE TO TURN ON THE WATER HOSE TO TURN OFF THE FIRE AS MY FAMILY WAS SLEEPING IN THE HOUSE. MY HUSBAND'S CAR WAS RIGHT NEXT TO MY CADI THAT HAD A FULL TANK OF FUEL. I CALLED 911 AND THE FIRE DEPARTMENT ARRIVED TO TURN OFF THE FIRE ON THE CADILLAC CTS 2003. AND FOR MORE THAN TEN MINUTES THE FIRE WAS STILL BLAZING AS THE FIREMEN UNABLE TO CONTROL THE FLAMES. MY CAR IS GONE AS IT BURNED DOWN. PLEASE HELP ME TO UNDERSTAND WHY THIS HAPPENED. I ONLY CARRIED LIABILITY AS THIS WAS ALL I COULD AFFORD. I THANK THE LORD THAT EVEN WHEN WE WERE IN HARM'S WAY, HE JEHOVAH GOD PROTECTED US. ALL THE GLORY TO JESUS CHRIST THAT THEIR WAS NO LOST OF LIFE. MATERIAL THINGS CAN BE REPLACED. I AM GRATEFUL TO GOD FOR HIS MERCY AND GRACE. HE HAS TOTAL CONTROL AND I KNOW THAT HE WAS WITH US. I WAS NOT AWARE THAT THESE CARS HAVE A HISTORY OF CATCHING ON FIRE. I AM GLAD THAT WE WERE NOT ON THE ROAD WHEN THIS HAPPENED. MY MOTHER SUFFERED A STROKE AND THIS COULD OF BEEN MORE…”
Owner complaint to NHTSAFiled Mar 12, 2019Electrical system, Structure, EngineFire reportedODI 11186250
“MY 2003 CADILLAC CTS CAUGHT ON FIRE. FIREMAN SAID THAT IT WAS THE WINDSHIELD WIPER MODULE THAT CAUGHT ON FIRE. THE CAR WAS PARKED FOR HOURS AND FIRE STARTED WHILE WE WAS SLEEPING. THE WHOLE ENGINE IS BURNT UP AND THE CAR IS TOTALED. NOW I HAVE NO CAR AND NO MONEY TO GET ANOTHER CAR.”
Owner complaint to NHTSAFiled Feb 4, 2018Electrical system, Structure, Visibility/wiperFire reportedODI 11066874

Showing 6 of 57 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026NHTSA vehicle page
02 —Related recalls

1 recall on this component

Electrical system: ignition

Free remedy

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.

Electrical systemReported Jul 2, 2014NHTSA 14V394000
Data from NHTSA Recalls API · synced Nov 9, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.