Transmission Control Module (TCM)
- Current Gear
-
Displays current gear position of the transmission
- TCC Brake Switch
-
Displays ON or OFF status of the TCC Brake switch.
- TR Sw. A/B/C/P
-
Displays LOW or HI for the state of each of the four inputs from the IMS. LOW displayed indicates a low voltage signal (0 volts) being monitored at the TCM. HI displayed indicates a high voltage signal (B+) being monitored at the TCM.