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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 193 (Shift Interlock System) >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> Transmission Control Module (TCM)

Transmission Control Module (TCM)

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
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.

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