Electronic Level Ride System May Fail on Cadillac DeVille

The electronic level ride system may not work properly; this may result in the rear of the vehicle riding too high or too low. Our technicians tell us that a height sensor or exhaust valve failure are common issues with this system. Proper diagnoses will be necessary to confirm the exact fault.

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Average mileage: 118,999 (154–265,000)
16 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
135 people reported this problem
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Viewing 1 - 20 of 65 problem details
My car is riding to low. I dont have the money for repairs.But,i can do it my self,if someone tell me/
when i drive down the road the rearend sways side to side. i haven't tried anything yet. i am looking for the solution.
My car is not sitting at the proper height,Its saging and I have to watch how I back out of driveways.Its not sagging to the ground.
Level ride not working car setting too low
2005 Cadillac DeVille 70,000 mi,
Compressor does not run. Checked relay/ fuses. Ok.
1997 Cadillac DeVille 54,000 mi,
rear air shocks leaked. WAY expensive to replace with OEM, so installed spring shocks and bypass resistors. Worked great!
2004 Cadillac DeVille 133,000 mi,
rear electronic air schocks rear of car setting high one side higher 2004 caddie deville dts how do i disable to get rear of car down
1997 Cadillac DeVille 51,000 mi,
Vehicle seldom used to transport passengers. First noticed when two persons, with baggage, was being transported to Airport, noticed vehicle ride was exceptionally rough and very low in the rear, barely clearing the ground. It continued to sit low but ride improved when passengers were dropped. A check with the Cadillac Dealer quoted an outrageous price to diagnose the problem, therefore, no repair or diagnosis were ever done to date. Vehicle has only 72,000 miles.
2005 Cadillac DeVille 80,000 mi,
I have a 2005 Cadillac dts that the rear air ride compressor is not working, if I banged on the old one it would work sometimes. Bought a new compressor and installed and the compressor still doesn't work.
The rear of this car,seems to sit a little higher
1990 Cadillac DeVille 130,000 mi,
my 1990 Cadillac Deville Coupe's rear end drops down after about 10 minutes of driving. I have 20 inch rims on it so that is a problem because the tires rub. i put on new shocks thinking that was the problem, for the most part its fixed but say when i drive up a steep hill and the back end drops below a certian point the back end wont level back up to where it should be
1997 Cadillac DeVille 85,000 mi,
The front has no air and bounces down the road. The back used to move up and down. It stays down all the time now.
1998 Cadillac DeVille 145,000 mi,
rear of car rides too low; mud flaps drag
1990 Cadillac DeVille 95,000 mi,
rear end too low!
The rear end is sitting too high
2002 Cadillac DeVille 61,999 mi,
With any weight in the trunk the bottom sags and rides low.
1998 Cadillac DeVille 174,000 mi,
Just bought the car and it says service ride system my dad said I need to do the shock conversion beclouded my air bags aren't working
1998 Cadillac DeVille 115,000 mi,
Setting a little low and more rough ride then it should be
The air ride suspension motor works but the car still sits low
1999 Cadillac DeVille 129,000 mi,
back end of car is sitting on the bumper stops seems like when i haul my kids