Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Verify that DTC B1004 is not set.

If the DTC is set, perform the setup procedure on the applicable control module, if the DTC resets replace the module.