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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> Body Control Module (BCM)
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Body Control Module (BCM)

Battery 1

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

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.