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Home >> Saturn >> 2005 >> Relay FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Interlock System >> Diagnostic Information And Procedures >> Scan Tool Data Definitions >> Powertrain Control Module (PCM)

Powertrain Control Module (PCM)

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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 PCM. HI displayed indicates a high voltage signal (B+) being monitored at the PCM.

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