2003 Cadillac Seville SLS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Cadillac Seville SLS

2003 Cadillac Seville SLS Problems

TCC Inop Due to Internal Transmission Fault

The torque converter clutch (TTC) may stop working due to an internal transmission failure. The Check Engine Light will illuminate if this occurs. Our technicians tell us the transmission will require dis-assembly to correct this concern.

Steering Wheel Position Sensor May Fail

The steering wheel position sensor may fail, resulting in the service stability message being displayed.

Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

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.

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