Circuit/System Verification
WARNING: This page is about a different car, the 2010 Pontiac G6. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON, with a scan tool perform the Lamp Test for the instrument panel cluster (IPC) and observe the cruise control indicator.
- If the cruise control indicator illuminates during the test, replace the BCM.
- If the cruise control indicator does not illuminates during the test or remains illuminated at all times, replace the IPC.