Circuit/System Testing

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Diagnose all vehicle DTCs before using this diagnostic.

Ignition ON, with the scan tool, command the scan tool instrument panel special functions Display Test ON and OFF. The ABS indicator should turn ON and OFF per command requested.

If the ABS warning lamp does not turn ON and OFF, replace the IPC.