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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 C2303: Relay Malfunction (+B Short) >> Circuit Description
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Circuit Description

The transaxle parking lock control relay is activated by output voltage from the transmission control ECU and supplies power to the shift control actuator assy. The transmission control ECU outputs this DTC when it detects a malfunction in the transaxle parking lock control relay.

Fig 1: DTC C2303 Detecting Condition Trouble Area Chart
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