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Home >> Toyota >> 2005 >> Prius >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Transmission Control System (Parking Lock Control) - Diagnostics >> Shift Control System (Parking Lock Control) >> DTC C2312: Power Source Control Ecu Communication Line Malfunction >> Circuit Description
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Circuit Description

The transmission control ECU assy receives power switch condition signals (OFF / ACC / IG) from the power source control ECU. The transmission control ECU assy outputs this DTC when it does not receive the signals.

Fig 1: DTC C2312 Detecting Condition Trouble Area Chart
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