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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2012 (POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B3130 OR B3135CIRCUIT/SYSTEM DESCRIPTION
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Circuit/System Description

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Circuit/System Description
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.

The LOCK/UNLOCK relay is controlled by the body control module (BCM) by providing voltage to one side of the relay or providing a ground to the other side of the relay. During lock or unlock operation, battery voltage will be supplied to the lock actuators through the energized side of the relay and grounded through the de-energized side of the relay.

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