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Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control System >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> Body Control Module (BCM)
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Body Control Module (BCM)

Ignition 0

Displays 0.0-25.5 V. This parameter is the system voltage measured by the BCM at the BCM battery input.

Ignition 1

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

Displays indicates ON when the body control module applies a ground to the automatic transmission shift lock control solenoid.