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Home >> Chevrolet >> 2007 >> Corvette Base, 2D Convertible, Standard >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Description and Operation >> Immobilizer Description and Operation >> Body Control Module (BCM)

Body Control Module (BCM)

IMPORTANT: The remote control door lock receiver (RCDLR) is not on the GM LAN high speed bus, therefore the RCDLR and the engine control module (ECM) must use the body control module (BCM) as a gateway in order to communicate.

The BCM is located in the interior on the passenger side of the vehicle. It can be accessed by pulling back the carpet in the passenger foot area under the glove compartment. The body control module is a multi-function module. The BCM is used in the vehicle theft deterrent system as a gateway for the RCDLR to send a fuel enable message to the ECM. The RCDLR is not on the GM LAN high speed bus. The RCDLR will send a Class 2 message through the BCM as a gateway to the ECM to receive the fuel enable password.

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