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Home >> Chevrolet >> 2012 >> Chevy Express H1500, Van Cargo >> Repair and Diagnosis >> External Pages >> Different car >> Section 1778 (Configurable Customer Control System) >> Diagnostic Information and Procedures >> Steering Wheel Controls Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 GMC Savana Special, 2010 GMC Savana Camper Special, 2010 GMC Savana, 2010 Chevrolet RV Cutaway, and 2010 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, observe the scan tool SWC Bank 1 status while pressing and releasing the switches. The reading should be SW1-SW7 identifying the switch pressed, and Idle when released.