Problems · NHTSA complaints
2003 Cadillac Seville problems
Owners filed 27 complaints about the 2003 Cadillac Seville with NHTSA between Mar 2003 and Sep 2021. The most-cited component is engine and engine cooling (5).
Complaints
27
Filed with NHTSA
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Engine and engine cooling5
- Suspension4
- Structure3
- Steering3
- Electrical system3
- Exterior lighting3
- Power train2
- Fuel/propulsion system2
- Service brakes, hydraulic2
- Electronic stability control (esc)1
- Service brakes1
- Electronic stability control1
- Seats1
- Vehicle speed control1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 10, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
4
2
2
3
5
1
0
1
0
3
0
3
0
1
0
1
0
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2003 | 4 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 3 |
| 2007 | 5 |
| 2008 | 1 |
| 2009 | 0 |
| 2010 | 1 |
| 2011 | 0 |
| 2012 | 3 |
| 2013 | 0 |
| 2014 | 3 |
| 2015 | 0 |
| 2016 | 1 |
| 2017 | 0 |
| 2018 | 1 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Engine and engine cooling
5 reports
“DT*: THE CONTACT STATED WHILE DRIVING THE VEHICLE AT VARIOUS SPEEDS BETWEEN 5 TO 50 MPH THE ENGINE STALLED WITHOUT WARNING, THIS INCIDENT OCCURRED FOUR TIMES. THE VEHICLE HAS NOT BEEN TO THE DEALERSHIP TO BE INSPECTED. THE MANUFACTURER HAS NOT BEEN ALERTED. THE DEALER CORRECTED THE PROBLEM BY REPLACING THE BATTERY AND CRANKSHAFT SENSOR. UPDATED 02/21/06. *JB”
Suspension
4 reports1 crash
“2003 CADILLAC SEVILLE SLS. CONSUMER WRITES IN REGARDS TO RUSTED STABILIZER BAR BOLTS. *SMD THE CONSUMER STATED THE VEHICLE MADE A KNOCKING NOISE, WHEN HE MADE A LEFT OR RIGHT TURN. IT WAS DISCOVERED THAT ONE OF THE BOLTS HAD BROKE IN HALF. *JB”
Structure
3 reports
“I DRIVING ON I-20 WEST GOING APPROXIMATELY 70 MPH WHEN RIGHT REAR TIRE BLEW. I STOPPED IN EMERGENCY LANE AND MY CAR WOULDN'T STAY CRANKED. THERE WERE 7 WIRES THAT WERE CUT IN HALF. I COULDN'T CRANK CAR BECAUSE THE WIRES WENT TO FUEL SYSTEM AND HAD TO HAVE CAR TOWED AND SOMEONE TRAVEL 3 HRS ONE WAY TO PICK ME UP.”
Steering
3 reports
“THIS CAR HAS THE SAME OR SIMILAR ELECTRIC POWER STEERING PUMP THAT GM IS NOW RECALLING FOR OTHER MODELS. THE POWER PUMP WILL JUST STOP WORKING AND THEN IT WILL START WORKING AGAIN. IT USUALLY STOPS WORKING AT LOW SPEEDS MAKING IT EXTREMELY DIFFICULT TO TURN. IN LOOKING ON-LINE I NOTICE THERE ARE A LARGE NUMBER OF POSTING ABOUT THE SAME AND / OR SIMILAR PROBLEMS CONCERNING THIS ITEM. *TR”
Electrical system
3 reports
“VEHICLE WAS IDLING IN DRIVEWAY DURING STRONG ELECTRICAL STORM. LIGHTNING APPEARED TO HIT A TREE NEARBY. SIMULTANEOUSLY, SEVERAL DASH WARNING LIGHTS CAME ON AND STAYED ON, INCLUDING ANTI-LOCK BRAKE, TRACTION AND STABILITY CONTROL WARNINGS. CALL WAS MADE TO INSURANCE COMPANY AND VEHICLE TOWED TO CADILLAC DEALERSHIP. SERVICE DEPARTMENT SAID CAUSE OF THE WARNING LIGHT WAS A BOLT NEAR WIRE TO ANTI-LOCK BRAKE POWER CONTROL MODULE HAD WORN INSULATION OFF, CAUSING FAILURE OF POWER CONTROL MODULE.IF INDEED LIGHTNING/POWER SURGE DID NOT CAUSE THIS PROBLEM, IMPROPERLY LOCATED BOLT OR DESIGN WOULD SEEM TO BE DEFECTIVE. *TR”
Exterior lighting
3 reports
“MY CONCERN IS PLASTIC HEADLIGHT LENSES. THE PLASTIC LENSES DETERIORATE TO THE POINT THAT THEY CLOUD OVER AND BECOME YELLOW, DRASTICALLY REDUCING THERE EFFECTIVENESS IN LIGHTING THE ROADWAY AT NIGHT OR DURING INCLEMENT WEATHER. HOW DID THE AUTO MAKERS CONVINCE THE NHTSA THAT PLASTIC LENSES WERE SAFE ? WHEN DID IT BECOME THE VEHICLE OWNERS RESPONSIBILITY TO HAVE TO BUY EXPENSIVE KITS, WHOSE EFFECTIVENESS IS DUBIOUS AT BEST, TO TRY AND KEEP THEIR HEADLIGHTS BRIGHT ENOUGH TO BE SAFE ? THE ONLY OTHER ALTERNATIVE IS TO BUY REPLACEMENT LENSES AND FOR THOSE WITHOUT THE MECHANICAL ABILITY, ALSO HAVE TO PAY TO HAVE THEM INSTALLED, ONLY TO FACE THE SAME PROBLEM WHEN THE NEW ONES BECOME UNUSABLE. I UNDERSTAND THAT THE AUTO MAKERS SAVE WEIGHT AND MONEY BY NOT USING GLASS BUT IT IS MY FIRM BELIEF THAT IT THE AUTO MAKERS RESPONSIBILITY TO DELIVER A SAFE VEHICLE TO THE DRIVING PUBLIC AND THAT USING PLASTIC ON HEADLIGHT LENSES IS IRRESPONSIBLE AND DANGEROUS. THIS COMPLAINT ADDRESSES ALL AUTO MANUFACTURERS. I SINCERELY HOPE THAT THE NHTSA IS THE RIGHT AGENCY TO ADDRESS THIS PROBLEM AND THAT I MIGHT HERE BACK FROM YOU REGARDING ANY RESOLUTION THAT MIGHT BE FORTHCOMING. *TR”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.