Problems · NHTSA complaints

2005 Cadillac Deville problems

Owners filed 104 complaints about the 2005 Cadillac Deville with NHTSA between Oct 2005 and Jan 2019. The most-cited component is electrical system (35).

Complaints
104
Filed with NHTSA
Crashes
10
Reported by owners
Fires
1
Reported by owners
Injuries
14
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Electrical system35
  2. Steering32
  3. Air bags19
  4. Engine11
  5. Service brakes5
  6. Exterior lighting4
  7. Visibility4
  8. Power train4
  9. Engine and engine cooling3
  10. Suspension3
  11. Seats3
  12. Service brakes, hydraulic3
  13. Electronic stability control (esc)2
  14. Fuel/propulsion system2

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 Oct 30, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20053
20062
20074
20082
20094
20105
20115
20126
20138
201444
201511
20163
20176
20180
20191

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.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Electrical system

35 reports2 crashes1 fire1 related recall
“MY A/C RUNS AT WILL. OFF AND ON BY ITSELF. RUNNING, STATIONARY, AND IN MOTION. MY HEADLIGHTS COME ON WHEN I PUT THE CAR IN DRIVE EVER THOUGH THEY ARE TURNED OFF. MY ALTERNATOR WAS REPLACED AND THE BATTERY AND ALL CHECKED OUT FINE AT TWO LOCAL PARTS /BATTERY STORES JULY 18TH 2017. BOTH WERE REPLACED IN MAY OF 2016. THE DISPLAY PANEL FOR THE A/C SHOWS BOTH THE FAN ICON AND THE AUTO ICON. THE AUTO ICON WILL NOT TURN OFF. SEARCHING ON LINE FOR COMPLAINTS ABOUT THIS MAKE AND MODEL SHOW MANY OTHERS WITH THIS PROBLEM AND NO ANSWERS. THIS BEGAN JULY 6TH AND IS HAPPENING MORE FREQUENTLY AS IN SEVERAL TIMES A DAY.”
Owner complaint to NHTSAFiled Jul 19, 2017Electrical systemODI 11006296

Steering

32 reports2 crashes
“TL* THE CONTACT OWNS A 2005 CADILLAC DEVILLE. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 25 MPH AND ATTEMPTED TO MAKE A TURN, THE STEERING WHEEL LOCKED. NO WARNING INDICATORS ILLUMINATED. THE CONTACT MENTIONED THAT THE FAILURE PROGRESSED. THE CONTACT HAD TO SHUT THE VEHICLE OFF AND RESTART IN ORDER TO MAKE THE TURN. THE DEALER OR AN INDEPENDENT MECHANIC DID NOT DIAGNOSE THE VEHICLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 105,000.”
Owner complaint to NHTSAFiled Aug 31, 2017SteeringODI 11020729

Air bags

19 reports8 crashes
“TL* THE CONTACT OWNS A 2005 CADILLAC DTS. WHILE DRIVING APPROXIMATELY 75 MPH, THE FRONT PASSENGER AIR BAG DEPLOYED WITHOUT WARNING OR IMPACT. A SLIGHT MUSTY ODOR WAS PRESENT DUE TO THE AIR BAG DEPLOYMENT AND ALL THE WARNING INDICATORS ON THE INSTRUMENT PANEL ILLUMINATED. THE CONTACT SUSTAINED INJURIES, WHICH DID NOT REQUIRE MEDICAL ATTENTION. THE CONTACT DROVE TO AN UNKNOWN CADILLAC DEALER LOCATED IN STUART, FL, WHO STATED THAT NOTHING COULD BE DONE ABOUT THE AIR BAG BECAUSE IT WOULD BE A LONG PROCESS. THE CONTACT THEN TOOK THE VEHICLE TO CLAUDE NOLAN CADILLAC (LOCATED ON SOUTHSIDE BLVD, JACKSONVILLE, FL) AND WAS INFORMED TO CONTACT THE MANUFACTURER BECAUSE THEY HAD NEVER SEEN AN AIR BAG DEPLOY WITHOUT A CRASH. THE CONTACT CALLED THE MANUFACTURER AND WAS INFORMED TO TAKE THE VEHICLE BACK TO CLAUDE NOLAN CADILLAC WHERE IT WAS DIAGNOSED THAT THERE WAS DAMAGE TO THE UNDERCARRIAGE AND THAT SOMETHING MUST HAVE SET OFF THE AIR BAG. THE MANUFACTURER WOULD NOT REPAIR THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS INVALID. THE APPROXIMATE FAILURE MILEAGE WAS 93,000. UPDATED 11/07/17*LJ *TR”
Owner complaint to NHTSAFiled Aug 18, 2017Air bagsODI 11016151

Engine

11 reports2 crashes
“TL* THE CONTACT OWNS A 2005 CADILLAC DEVILLE. WHILE DRIVING APPROXIMATELY 55 MPH, THE ENGINE SEIZED. THE VEHICLE CRASHED INTO A MEDIAN AND THE AIR BAGS FAILED TO DEPLOY. THE DRIVER SUSTAINED MAJOR INJURIES, INCLUDING TWO BROKEN FEET AND A CONCUSSION. THE DRIVER REQUIRED MEDICAL ASSISTANCE. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION SWITCH FAILED AND NEEDED TO BE REPLACED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 155,000.”
Owner complaint to NHTSAFiled Oct 2, 2015Electrical system, Air bags, EngineCrash reportedODI 10779350

Service brakes

5 reports1 crash
“ON SEPTEMBER 30, 2014, I WAS DRIVING DOWN THE HIGHWAY IN MY 2005 CADILLAC DEVILLE AT THE SPEED OF 65 MPH. I EXIT ON TO AN EXIT RAMP AND STOPPED AT A STOP LIGHT. WHILE AT THE LIGHT MY BRAKE PEDAL WENT TO THE FLOOR. I TRIED PUMPING THE BRAKES BUT THE PEDDLE KEPT GOING TO THE FLOOR. I THEN REALIZED I LOST MY BREAKS. THE REPAIR SHOP THAT REPAIRED MY BRAKES STATED THAT THE BRAKE LINE GOING TO THE REAR BRAKES RUSTED OUT IN THE MIDDLE OF THE CAR, WHICH CAUSED MY BRAKE FAILURE. THIS REPAIR COST ME $572.66 TO RUN 2 NEW BRAKE LINES FROM THE FRONT OF THE CAR TO THE REAR BRAKES. I WAS VERY LUCKY THAT THE BRAKES FAILED WHILE I WAS STOPPED AND NOT TRYING TO STOP AT 65 MPH. I HAVE AN 84 CHEVY, A 98 BUICK AND A 2002 CHEVY AND THE ONLY THING I EVER DID TO THE BRAKES WAS TO REPLACE THEM WHEN THEY WORE OUT. I AM VERY INTERESTED IN YOUR EXPLANATION OF WHY THE BRAKE LINE RUSTED OUT. *TR”
Owner complaint to NHTSAFiled Nov 17, 2014Service brakesODI 10658752

Exterior lighting

4 reports
“THE FRONT HEAD LIGHTS ON MY 2006 CADILLAC DTS GO OUT AT ALL TIMES. I HAVE TO CONTINUOUSLY CUT OUT AND I HAVE TO TURN THE LIGHT SWITCH OFF AND ON SO I CAN DRIVE AT NIGHT. II PREVIOUSLY OWNED ANOTHER 2006 CADILLAC DTS WITH THE SAME PROBLEMS. I TOOK THE VEHICLE TO A CADILLAC DEALER KRISTAL AUTO MALL IN BROOKLYN, NY AND THEY FIX THE PROBLEM WHICH THEY SAID WAS A FAULTY BALLAST. IT WAS FAULTY ON BOTH HEADLIGHTS. AND NOW IN THE DTS I HAVE, IT IS FAULTY TOO. THERE HAS BEEN A RECALL ON THIS SAME ISSUE IN OTHER GM VEHICLES.”
Owner complaint to NHTSAFiled Nov 16, 2015Exterior lightingODI 10790772
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026

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