2003 Cadillac Seville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Cadillac Seville
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2003 Cadillac Seville ProblemsImproper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator
One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.
The parking brake may not release automatically due to a failed vacuum switch or actuator. Our technicians tell us that if vacuum is supplied to the actuator when the transmission is in gear, the vacuum switch is functioning and replacing the actuator should correct this concern.
Illumination of the Check Engine Light may be the result of a loose or worn gas cap.
2003 Cadillac Seville Questionsck ng light Autozone said oxygen sensor & sensor in trans is this exps to fix (1 answer)
my mechanic said the sensor in trans is internal and he does not do this the oxygen sensor also needs to be replaced how expensive is thks type of repair
2003 Cadillac Seville RecallsGM Recalls 2002-2003 Vehicles Due to Fuel Tank Pressure Sensor Failure
GM recalls certain 2002-2003 Cadillac Devillle, Seville, Oldsmobile Aurora, and Pontiac Bonneville vehicles because the fuel tank pressure sensor may fail and cause a fuel leak. In the presence of an ignition source, a fuel leak may result in a fire. Dealers will replace the fuel tank pressure sensor.