Diagnostic Aids
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Thoroughly inspect the wiring and the connectors. An incomplete inspection of the wiring and the connectors may result in misdiagnosis, causing a part replacement with the reappearance of the malfunction.
The following are possible causes of the malfunction:
- An open or a high resistance in the I/P module disable switch-signal circuit
- An open or a high resistance in the I/P module disable switch indicator-control circuit
- A short between the I/P module disable switch-signal and I/P module disable switch indicator-control circuits
- Damage or corrosion on the I/P module disable switch harness connector
- Damage or corrosion on the I/P module disable switch harness connector
- Damage or corrosion on the SDM harness connector
- An internal I/P module disable switch malfunction
- An internal I/P module disable switch indicator malfunction
- An internal SDM malfunction
If an intermittent condition exists, refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.