Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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.
- Replace the EBCM.