Body Control Module (BCM)
WARNING: This page is about a different car, the 2003 Chevrolet Monte Carlo and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition 0
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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.
- Ignition 1
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Displays 0.0-25.5 V. This parameter is the system voltage measured by the BCM at the BCM ignition 1 voltage input.
- Park (BTSI) Relay
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Displays indicates ON when the body control module applies a ground to the automatic transmission shift lock control solenoid.