Circuit/System Testing
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Diagnose all vehicle DTCs before using this diagnostic.
The malfunction must be present during diagnosis in order to prevent unnecessary parts replacement.
The malfunction must be present during diagnosis in order to prevent unnecessary parts replacement.
Ignition OFF for 5 seconds, Ignition ON, observe that the traction off indicator functions by illuminating for 2 seconds then turns OFF.
- If the traction OFF indicator does not illuminate, with the scan tool, select instrument panel special functions Display Test. Command the instrument panel lamps ON and OFF. Verify the TC lamp turns ON and OFF.
- If the TC warning lamp does not turn OFF, replace the IPC.
- If the TC warning lamp does turn OFF, replace the EBCM.