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Cadillac Seville STS Problems

Electronic Level Ride System May Fail on Cadillac Seville STS

Problem Description and Possible Solution

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.

(20 people reported this problem)

Cadillac Seville STS Vehicles With This Problem

RepairPal Verified
Average mileage: 108,133 (90,000–130,110)
11 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2002
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Viewing 1-3 of 3 comments
Always had service ride control message displayed since i bought the car. Just made the car ride stiff. I replaced the front struts with generic non road sensing ones. I replace the back with aftermarket air struts. Works great now! Do this repair yourself! Just rent the spring compressor from autozone for free. There is a detailed how to online with pics too.
The Service suspenion msg has been on since I bought it. I changed the rear shocks (after market) the sensor was not attached to the shock. I installed it on the lower support. Light was still on. Had them run the codes and the results were a slow data flow for the turn leveling system. I am guessing a corroded connection or a wire has been rubbed on something. They were going to charge me $80.00 an hour to trace down the problem with a OHM meter. Not! I found the wiring diagram and plan to trace it myself. Has anyone dealt with this issue? I dread crawling around under there with a bad back and neck injury.