Cadillac Seville STS Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your Cadillac Seville STS
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Cadillac Seville STS ProblemsImproper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
Problems with anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The key and ignition lock cylinder should be replaced to correct this condition.
The trunk pull down switch may fail causing the trunk lid not to close completely. Our technicians tell us that the failed switch can be replaced without changing the complete pull down motor assembly.
Cadillac Seville STS QuestionsWhat does it mean when the "service suspension" light comes on. (1 answer)
I towed car yesterday. Light was not on before I towed it. The front tire spinned when placed on dolly. Could this have caused the light to come on?
Have checked the fuse box and all appear good.
I have a 2003 Cadillac STS. A/C works fine however, heat blows cold. Using a simple temperature test I have verified coolant appears to be flowing through heater core, not 100% certain but trouble isn’t leading me that way. I have checked all the actuators I can find, one on left and right side o...