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Home >> Buick >> 2004 >> Park Avenue Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Interlock System >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> Body Control Module (BCM)
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Body Control Module (BCM)

Brake to Shift Input

Display indicates ON when the body control module (BCM) receives a PARK input message from the powertrain control module (PCM).

Brake to Shift Output

Displays indicates ON when the body control module applies power to the automatic transmission shift lock control power feed circuit.

Ignition 0

Display indicates ON when the ignition 0 input circuit of the module receives a battery signal from the ignition switch.

Ignition 1

Display indicates ON when the ignition 1 input circuit of the module receives a battery signal from the ignition switch.