Which parts fail
Components named in complaints (front, side and curtain air bags, sensors and inflators).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 1998 Cadillac Deville owners, lightly cleaned up (personal details are redacted by NHTSA).
Dt: the contact stated on 10-17-05 was driving when she heard a noise that sounded like a something scraped the bottom of the car. Immediately the driver's side and passenger's side air bags deployed. There were two people in the front seat of the car. No one was seriously injured. The dealer said there had been a problem in the past, but not the front. He also, said the sensors were probably bad. She did not recall an air bag light illuminating in the car prior to this incident.
Takata recall. Air bag light is on a few days ago. Also, vehicle overheated and needed new water pump several years ago. Keep having to replace the battery. Smoke was coming up from front and turn signals did not work. Had to replace fall 2016 horn did not work, had to replace part inside steering wheel. Jan 2017
There was a recall on the airbag sensor of my vehicle in 2000. I was not aware of @ that time because I had not purchased it from the local dealership yet. On feb.16,2015 I called the 1800.458.8006 & was told that I would have to pay to have the part diagnosed & fixed if needed. The rep. & I went back & forth as to who should pay for this etc.,.I called again on 2-19-2015 spoke with another rep. Still got the same answer.basically I was told that the recall was closed out in 2001. When I asked both reps.that I spoke with if that meant there was a expiration date, I was told no. There were other questions that I asked in reference to the matter that does not add up between each rep. & the local Cadillac technician that the first rep. Connected me with. I need help in solving this problem.the case # [redacted]. There are other factors I documented if needed.
Dt*: the contact stated while driving 55 MPH on normal road conditions, there was an accident due to temporarily losing consciousness. The contact and a passenger were both wearing seatbelts. The seatbelts did not restrain the occupants during the accident and the airbags did not deploy. The contact and the passenger both endured moderate injuries; the contact sustained a concussion, and neck problems while the passenger sustained a concussion, cracked breast bone and knee injury. The vehicle was totaled and towed to a service lot. Pictures were taken and a police report was filed. The manufacturer was notified who sent out an independent inspector. A report was filed concluding that the seatbelt and airbags were working properly but were in lock mode. The contact express that prior to the accident the airbags were on recall #00V217000 .
I was the driver and only person in an automobile accident on February 16, 1999 between my 1998 Cadillac Deville concours and a 1977 Dodge camper top van. The side air bags did not deploy to prevent my head and left shoulder from impacting the left window and door frame. The Dodge van impacted my left tire quarter panel, driver door panel, and left passenger door panel to the extent that the side mirror was knocked off the door, the driver window damaged, and the driver door indented enough to prevent the window from going down. I am suffering from severe cervical strain/sprain, multiple cervical sublunations, left shoulder, rifgt side, neck, and back pain.
Tl contact owns a 1998 Cadillac Deville. In September of 2003, the air bags deployed without an impact while driving 35 MPH. There were occupants in the vehicle at the time of the failure. GM repaired the vehicle; however, the air bags continued to deploy for no apparent reason. There was one injury. The purchase date was unknown. The current mileage was 177,040 and failure mileage was approximately 73,000.
Dt: the contact's daughter was driving when the front air bags deployed. The contact's daughter said she did not run over anything in the road or impacted another vehicle or object. A police report was not taken, but they confirmed there was nothing in the road she ran over to cause the air bags to deploy. The dealer was inspecting the vehicle to determine the reason why the air bags deployed.
At a vehicle crash side airbags did not deploy. Cause unknown. Dealer notified. Consumer was not in motion at time of accident, another motorist crashed into consumers vehicle, 2 people were injured in the accident, consumer states that the driver nor the passenger air bags deployed.
Was traveling 25mph or higher on a kentucky road failed to make a curb, and vehicle slid on a patch of ice. Hit a rock hard , jumped into a ditch. Air bags failed to deploy. Was in ditch for 12 hours. Vehicle was laying on its side. Driver sustained a cracked elbow.
Dt*: the contact stated when the passenger side door was shut, the passenger side airbag deployed. The vehicle was driven away from the scene and has not been seen by a mechanic. The consumer was quoted a price of over 10000 dollars. Updated 03/09/06.
Related recalls
Air bags › Side/window
Vehicle description: passenger vehicles. Some of the side impact sensor modules have quality problems that can cause an inadvertent deployment of the driver or passenger side impact air bags. These side air bags deploy with less force than a frontal air bag and are designed to minimize the risk of serious injury.
Remedy: Dealers will replace the driver and passenger side impact sensing modules. If the vehicle has had the side air bags temporarily disconected, the temporary disconnect will be removed before replacing the side impact…
NHTSA investigations
Inadvertent deployment of side air bag
This side impact air bag can inadvertently deploy due to a number of root caused including: erroneous acceleration inputs or false activation of the air bag deployment algorithm due to an electrical malfunction in the sensing and diagnostic module (sdm); false activation resulting from an electrical short in the sdm wiring harness; and false acceleration inputs resulting from improper sdm installation.in each case,…
Inadvertent of side impact air bag
There is no summary currently available
Airbag complaints in other Deville years
Frequently asked questions
How common are airbag problems on the 1998 Cadillac Deville?
NHTSA has 34 complaints about the air bags of the 1998 Cadillac Deville, 14% of the model year's 237 complaints. The component named most often is side/window (14 mentions).
Is there a recall for 1998 Cadillac Deville airbag problems?
Yes — NHTSA recall 00V-217 (side/window, Aug 11, 2000). Recall repairs are free at authorized dealers.
At what mileage do 1998 Cadillac Deville airbag problems start?
Half of the complaints with a recorded mileage happened before about 73,000 miles, and 20% before 25,000 miles.
Is it dangerous?
Owners linked 7 crashes, 0 fires and 11 injuries and 1 death to air bags problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.