Circuit/System Verification

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Verify that B3794 is not set as current or history before performing this diagnostic. If B3794 is set as current or history, go to DTC B3794 .

Ignition ON, observe the scan tool Cruise Control Switch parameter in the BCM while pressing the cruise control switch ON and OFF. The reading should change between ON and OFF.

If the parameter does not switch between ON and OFF, replace the BCM.