NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
10 reports140,393 miles · Oct 3, 2014
Electrical System
WHEN SLOWING AT ABOUT 20 MPH TO 3 MPH THE VEHICLE JUST DIES. NO POWER STEERING OR BRAKES, ALL ELECTRICAL IN THE VEHICLE STOPS WORKING. THE VEHICLE WILL START AGAIN ONCE STOPPED, PLACED IN PARK OFTEN HAVING TO REMOVE THE KEY AND PUTTING IT BACK. AFTER OVER THREE MONTHS AND OVER 1500 MILES, WORKING WITH THE DE LA FUENTE CADILLA…
Read full complaint
WHEN SLOWING AT ABOUT 20 MPH TO 3 MPH THE VEHICLE JUST DIES. NO POWER STEERING OR BRAKES, ALL ELECTRICAL IN THE VEHICLE STOPS WORKING. THE VEHICLE WILL START AGAIN ONCE STOPPED, PLACED IN PARK OFTEN HAVING TO REMOVE THE KEY AND PUTTING IT BACK. AFTER OVER THREE MONTHS AND OVER 1500 MILES, WORKING WITH THE DE LA FUENTE CADILLAC DEALERSHIP, HAVING A RED BUTTON ATTACHED TO THE VEHICLE THAT I WAS SUPPOSED TO PUSH WHEN THIS HAPPENED THEY FINALLY REPLACED THE IGNITION SWITCH AND LOCK CYLINDER PART NUMBERS 12369550 AND 25725312 AT A COST OF $615.73 TO CORRECT THE PROBLEM. AFTER THE CAR STOPPED ON ME THE FIRST TIME I KEPT TO SURFACE STREETS AND DROVE AT SLOW SPEEDS. THIS PROBLEM COULD HAVE BEEN DEVIATING HAD IT HAPPENED WHILE ON THE FREE WAY. *TR
NHTSA ODI #10641036
58,806 miles · Mar 27, 2014
Electrical System
TL* THE CONTACT OWNS A 2002 CADILLAC SLS.THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE BATTERY WARNING LIGHT ILLUMINATED AS THE VEHICLE STALLED. THE CONTACT STATED THAT ONCE HE WAS ABLE TO RESTART THE VEHICLE, THE CHECK ENGINE LIGHT WAS STILL ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC HOWEVER, THE TECHNICI…
Read full complaint
TL* THE CONTACT OWNS A 2002 CADILLAC SLS.THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE BATTERY WARNING LIGHT ILLUMINATED AS THE VEHICLE STALLED. THE CONTACT STATED THAT ONCE HE WAS ABLE TO RESTART THE VEHICLE, THE CHECK ENGINE LIGHT WAS STILL ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE PROBLEM. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 58,806 AND THE CURRENT MILEAGE WAS 90,200.
NHTSA ODI #10575153
7,800 miles · Mar 22, 2014
Engine
ON THREE SEPARATE OCCASIONS THIS YEAR, MOST RECENTLY TODAY (3/22/14), THE ENGINE ON MY 2003 (?) CADILLAC SLS ABRUPTLY CUT OFF, SIMILAR TO THE MUCH-PUBLICIZED RECENT FAILURES ON GM'S 2003-11 COMPACT CARS. MY CAR IS NO COMPACT, BUT I'M WONDERING IF IT USES THE SAME IGNITION COMPONENTS. IN ANY EVENT, WE WERE LUCKY TO AVOID AN ACC…
Read full complaint
ON THREE SEPARATE OCCASIONS THIS YEAR, MOST RECENTLY TODAY (3/22/14), THE ENGINE ON MY 2003 (?) CADILLAC SLS ABRUPTLY CUT OFF, SIMILAR TO THE MUCH-PUBLICIZED RECENT FAILURES ON GM'S 2003-11 COMPACT CARS. MY CAR IS NO COMPACT, BUT I'M WONDERING IF IT USES THE SAME IGNITION COMPONENTS. IN ANY EVENT, WE WERE LUCKY TO AVOID AN ACCIDENT. AFTER THE FIRST INCIDENT, I REFERRED THE CAR TO MY TRUSTED MECHANIC, AND HE COULD FIND NOTHING WRONG. ONE FURTHER NOTE: WHEN THE ENGINE CUT OFF TODAY, ONLY *ONE* KEY WAS IN THE IGNITION, SO IT WAS *NOT* A MATTER OF THE SWITCH BEING "WEIGHED DOWN" BY AN OVERLOADED KEY CHAIN. I WILL TAKE THE CAR TO MY MECHANIC ON MONDAY AND SUGGEST THAT A NEW IGNITION SWITCH BE INSTALLED. BUT ALL THIS SHOULD SERVE AS A "HEADS UP" WARNING TO GM OWNERS WHO DRIVE NON-COMPACT GM CARS. *TR
NHTSA ODI #10574184
103,000 miles · Dec 17, 2008
Engine And Engine Cooling
A "LOW COOLANT" LIGHT APPEARED ON MY 2002 CADILLAC SLS (4.6L NORTHSTAR VIN-Y). WHILE PARKED STEAM/SMOKE (SMALL AMOUNT) BEGAN RISING FROM THE ENGINE COMPARTMENT AND A SMALL PUDDLE OF COOLANT WAS FOUND BELOW VEHICLE. VEHICLE WAS INSPECTED AND A CRACK IN THE ENGINE BLOCK WAS DISCOVERED. MECHANIC STATED THIS WAS VERY ODD. VEHICL…
Read full complaint
A "LOW COOLANT" LIGHT APPEARED ON MY 2002 CADILLAC SLS (4.6L NORTHSTAR VIN-Y). WHILE PARKED STEAM/SMOKE (SMALL AMOUNT) BEGAN RISING FROM THE ENGINE COMPARTMENT AND A SMALL PUDDLE OF COOLANT WAS FOUND BELOW VEHICLE. VEHICLE WAS INSPECTED AND A CRACK IN THE ENGINE BLOCK WAS DISCOVERED. MECHANIC STATED THIS WAS VERY ODD. VEHICLE HAS 103K MILES. WATER PUMP GASKET WAS REPLACED AT 65K MILES, HEAD GASKETS, THERMOSTAT & RADIATOR WERE REPLACED AT 78K MILES AND WATER PUMP CLAMP/HOSE REPLACED AT 83K MILES. ALL THESE REPAIRS WERE MADE BY THE DEALERSHIP WHILE THE VEHICLE WAS UNDER WARRANTY. NO OTHER REPAIRS (TO MY KNOWLEDGE) WERE MADE TO THE ENGINE/COOLING SYSTEM. *TR
NHTSA ODI #10252119
87,000 miles · Jul 15, 2008
Engine And Engine Cooling
HEAD BOLTS PULLED OUT OF BLOCK ON A 2002 CADILLAC WITH A NORTHSTAR ENGINE. THE FIRST TIME IT HAPPENED THE CAR HAD 74,000 MILE AND WAS FIXED UNDER THE VEHICLES EXTENDED WARRANTY. THE 2ND TIME IT HAPPENED THE CAR HAD 87,000 ON IT AND THE SAME HEAD BOLT THAT WAS FIXED FAILED. THE ENGINE WAS NOT REPAIRABLE AND HAD TO BE REPLACED.…
Read full complaint
HEAD BOLTS PULLED OUT OF BLOCK ON A 2002 CADILLAC WITH A NORTHSTAR ENGINE. THE FIRST TIME IT HAPPENED THE CAR HAD 74,000 MILE AND WAS FIXED UNDER THE VEHICLES EXTENDED WARRANTY. THE 2ND TIME IT HAPPENED THE CAR HAD 87,000 ON IT AND THE SAME HEAD BOLT THAT WAS FIXED FAILED. THE ENGINE WAS NOT REPAIRABLE AND HAD TO BE REPLACED. THIS WAS A PATCH JOB THAT GM KNEW WAS NOT PERMANENT AND THEY NOW DO NOT WANT TO TAKE CARE OF THEIR SHODDY REPAIR PROCEDURE. *TR
NHTSA ODI #10234414
87,000 miles · Jul 14, 2008
Engine And Engine CoolingStructure
DEFECTIVE NORTHSTAR ENGINES, HEAD BOLTS PULLING OUT OF BLOCK. *TR
NHTSA ODI #10234219
41,000 miles · Feb 3, 2006
Electronic Stability Control
DT*: THE CONTACT STATED THE VEHICLE HYDROPLANES INTERMITTENTLY WHILE DRIVING NORMAL HIGHWAY SPEEDS OF 55 MPH OR MORE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE PROBLEM COULD NOT BE DUPLICATED. THE CONTACT FEELS THE HYDROPLANING IS RELATED TO THE VEHICLE'S STABILITY CONTROL SYSTEM, ALTHOUGH THIS HAS NEVER BEEN CONFIRMED BY…
Read full complaint
DT*: THE CONTACT STATED THE VEHICLE HYDROPLANES INTERMITTENTLY WHILE DRIVING NORMAL HIGHWAY SPEEDS OF 55 MPH OR MORE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE PROBLEM COULD NOT BE DUPLICATED. THE CONTACT FEELS THE HYDROPLANING IS RELATED TO THE VEHICLE'S STABILITY CONTROL SYSTEM, ALTHOUGH THIS HAS NEVER BEEN CONFIRMED BY THE DEALER. UPDATED 3/3/2006 - *NM
NHTSA ODI #10149362
Mileage unknown · Nov 28, 2003
Unknown Or Other
INQUIRY REGARDING ENTITLEMENT OF $1,000.00 DISCOUNT.*MR *PH
NHTSA ODI #10050224
Mileage unknown · Jun 26, 2003
Structure
THE CONSUMER WAS CONCERNED AT TIMES WHEN THE DOORS WERE OPENED WITHOUT HIS KNOWLEDGE, AND THERE WAS NO ALARM SOUND TO NOTIFY HIM. *NLM *TT *JB
NHTSA ODI #10020334
Mileage unknown · Dec 3, 2002
Service Brakes, Air
REPAIRING DEALER DEVOE CADILLAC OF NAPLES FL, REPLACED RETAINING CLIP AND FOAM SPACER, BUT NOT THE INTERFACING COMPONENT ON THE BRAKE PEDAL, WHICH CONTAINS THE GROOVE INTO WHICH THE RETAINER CLIP FASTENS. REPAIR BECOMES QUESTIONABLE BECAUSE OF LIMITED PARTS REPLACEMENT. DT
NHTSA ODI #770379