2003 Cadillac Deville problems, complaints & recalls
Most-reported problem areas: Electrical System (25) · Engine (12) · Air Bags (10)
🧭 Reliability snapshot
Compared against other Cadillac Deville model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
104 NHTSA complaints that reported an odometer reading.
Safety recalls (1)
Electrical System:ignition 2014-06-23 · campaign 14V355000 · 3,141,731 vehicles
Defect: 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) is recalling certain model year 2005-2009 Buick LaCrosse, 2006-2011 Buick Lucerne, 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, 2006-2014 Chevrolet Impala, and 2006-2007 Chevrolet Monte Carlo vehicles. In the af
Risk: 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. Additionally, a key knocked out of the run position will cause loss of engine power, power steering, and power braking, increasing the risk of a vehicle crash.
Fix: 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 23, 2014. Owners may contact General Motors customer service at 1-800-521-7300 (Buick), 1-800-458-8006 (Cadillac), and 1-800-222-1020 (Chevrolet). GM's number for this recall is 14299.
Service bulletins (477)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions
this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.
Unknown Or Other 2025-02-20 · PIP5358D · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. technician should get record a sound clip or take a video of the noise for assessment by engineering. technician will need to
Electrical System 2024-10-25 · PIP4723J · Service Bulletin/Repair Instructions
this preliminary information communicates to the dealer the process for downloading or updating operating software for the tire pressure monitor, active fuel injector tester, multi media tester, pico scope, gr8 starting/charging tester and vehicle data recorder tools, giving website address and ste
Unknown Or Other 2024-09-12 · PIT5099H · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that the heater-vent-air conditioning blows warm air. before calling general motors technical assistance center technician will need to have high and low pressures, outside temperature, humidity, and ven
Unknown Or Other 2024-09-12 · PIT5099H · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that the heater-vent-air conditioning blows warm air. before calling general motors technical assistance center technician will need to have high and low pressures, outside temperature, humidity, and ven
Unknown Or Other 2024-09-06 · PIT3271P · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about changing the tire and wheel size on vehicles. general motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. technician s
Showing the 6 most recent of 477 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-08-25 · Electrical System:ignition · 105,000 mi“the contact owns a 2003 cadillac deville. the contact stated that the ignition switch seized. occasionally, the contact was able to wiggle the switch for the ignition to operate. the contact stated that the ignition switch failed to turn or operate as needed. the vehicle was taken to an independent mechanic who was able to replace the ignition swit…”
2024-03-12 · Electrical System:ignition · 200,000 mi“the contact owns a 2003 cadillac deville. the contact stated that while driving at an undisclosed speed, the vehicle stalled. the power steering was inoperable. in addition, the contact stated that the message that the key was not detected was displayed. the contact stated that the vehicle was recently serviced at the dealer under manufacturer reca…”
2021-11-20 · Service Brakes“i tried to explain to the dealership that unaware of the recall my cars breaks had failed and crashed my vehicle. they said the only thing that was affected was the key. i had told her that the result of my crash was from my breaks not working due to the recall. she told me no that that wasnt affected. i just want my car to be safe on the road as i…”
2020-06-27 · Visibility/Wiper · 40,000 mi“when i got the car the car wasn't painted good at all and the ignition coil was bad. *tr…”
2020-06-14 · Structure:body · 188,000 mi“the abs & traction control indicators come up on the screen along with check as i'm driving. when this happens my brakes make a weird sound like a sprung spring and the brakes feel like they're gone but they're not. it's scary be sure i feel i may not be able to stop which to me is a safety hazard. no codes show even though the check light came on,…”
2020-04-19 · Unknown Or Other · 177,000 mi“fuel level sensor stopped working , also after i gotten my transmission rebuilt and my front motor mount placed in the car no longer cranks like normal . takes a while to turn over, key slides out , steering wheel is hard to turn while during and steering wheel jerks in the other direction while turning . the power steering has a leak and also the…”
2020-01-27 · Air Bags · 💥 crash“back on july 16th 2019, i was stopped at a stop sign about to get a on the main road. when i was rear ended in my 03 cadillac deville. airbags never deployed, causing the passenger to having whiplash/nerve damage. as per myself, now i have lower back issues.…”
2019-09-13 · Fuel/Propulsion System · 94,300 mi“takata recall - the air bag light is staying on all the time. the service engine light comes on occassionally after i put gas in…”
2019-06-10 · Unknown Or Other · 💥 crash“2003 cadillac deville. consumer writes requesting information for any safety recalls on their vehicle. *ld *js…”
2019-03-27 · Unknown Or Other · 110,000 mi“i see this affects many years and models. its the security system thinking the car is being tampered with after a new battery is installed. this car wont start as many others. it gets juice to the fuel pump lights and dash. jumped the fuse to the starter and cae turns over but wont start. ot will lock you out. no dealers or mechanics know what this…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.