Circuit/System Testing

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Note: Diagnose all vehicle DTCs before using this diagnostic.

With the scan tool, select instrument panel special functions Lamp Test. Command the instrument panel warning lamps OFF.

If the ABS warning lamp does not turn OFF, replace the IPC.
If the ABS lamp turns OFF and there are no DTCs stored in any vehicle systems, replace the EBCM.