Diagnostic Aids
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the connectors at the PCM, the TCC PC solenoid valve, and all other circuit connecting points for an intermittent condition. Refer to Testing for Intermittent Conditions and Poor Connections .
- Inspect the circuit wiring for an intermittent condition. Refer to Testing for Electrical Intermittents .
- Inspect for a disconnected TCC PC solenoid valve connector.
- Inspect for an open or shorted TCC PC solenoid valve wires.
- Inspect for a faulty TCC PC solenoid valve.
- Inspect for a PCM internal fault.