Circuit/System Verification

WARNING: This page is about a different car, the 2008 GMC Yukon XL and 2008 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, with a scan tool command the IPC display test ON and OFF. The ABS warning indicator should turn ON and OFF.

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