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:
- A short to ground or a short to voltage in the I/P module disable switch-signal circuit
- A short to ground or a short to voltage in the I/P module disable switch indicator-control circuit
- Damage or corrosion on the I/P module disable switch harness connector
- Damage or corrosion on the I/P module disable switch indicator 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.