Body Control Module (BCM)
WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
- Battery 1
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Displays 0.0-25.5 V. This parameter is the system voltage measured by the BCM at the BCM battery input.
- Brake to Shift Relay
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Displays ON/OFF. This parameter indicates ON when the mechanical lock is engaged preventing an inadvertent shift out of the PARK position. The Display indicates OFF when BCM opens the controlled voltage circuit of the shift lock control solenoid.