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DTC C2303: Short in Power Source Relay Circuit [06/2015 - ]: Description

The P CON relay (transaxle parking lock control relay) is activated by output voltage from the transmission control ECU assembly and supplies power to the shift control actuator assembly (parking lock motor). The transmission control ECU assembly stores this DTC when it detects a malfunction in the P CON relay (transaxle parking lock control relay).

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
C2303 Short in Power Source Relay Circuit When the P CON relay (transaxle parking lock control relay) is off, voltage of transmission control ECU assembly terminal MUA, MVA and MWA are 6 V or higher for 0.064 seconds or more.
  • Transmission control ECU assembly
  • P CON relay (Transaxle parking lock control relay)
  • Wire harness or connector
  • Master Warning Light: Comes on
  • Multi-information Display Error Message: Comes on
DTC stored