Body Control Module (BCM)

Battery Voltage Signal: The scan tool displays 0 - 20 Volts. The scan tool displays the voltage as received by the body control module (BCM).

Shift Lock Solenoid Command: The scan tool displays Lock/Unlock. The scan tool displays the status of the shift lock control solenoid. Lock indicates the BCM is supplying voltage to the control circuit of shift lock control solenoid. Unlock indicates the BCM has removed the voltage to the control circuit of shift lock control solenoid.

Engine Control Module (ECM)

BPP Circuit Signal: The scan tool displays Applied/Release. The scan tool displays the status of the brake pedal position (BPP) switch.

Transmission Control Module (TCM)

IMS: The scan tool displays, Drive 3, Drive 4\Drive 3, Park\Reverse, Reverse, Drive 3\Drive 2, Drive 2, Park, Invalid, Neutral\Drive 4, Drive 4, Neutral, Reverse\Neutral, Drive 1, Drive 2\Drive 1 or Open. The scan tool displays the status of the transmission internal mode switch (IMS).

TCC Brake Switch: The scan tool displays Open/Closed. The scan tool displays the status of the torque converter clutch (TCC) brake switch.

TR Sw. : The scan tool displays Park, Reverse, Neutral, Drive 5, Drive 4, Drive 3, Drive 2 or Drive 1. The scan tool displays the state of the transmission range switch.