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Home >> Toyota >> 2004 >> Prius >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Shift Control System - Diagnosis >> 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) Diagnosis Table
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