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 Switch: Displays Applied/Released. This parameter is the state of the brake switch.

BTSI: Displays Locked/Unlocked. This parameter indicates Locked when the mechanical lock is engaged preventing an inadvertent shift out of the PARK position. The Display indicates Unlocked when BCM supplies power to the shift lock control solenoid.

TR Sw.: Displays Park/Reverse/Neutral/Drive 5/Drive 4/Drive 3/Drive 2/Drive 1. This parameter displays the transmission range switch position.