FixVault

DTC Detection Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0643 Sensor power supply circuit short ECM detects a voltage of power source for sensor is excessively low or high.
  • Harness or connectors (TP sensor circuit is shorted.)

    Camshaft position sensor (PHASE) circuit is shorted.]

  • Throttle position sensor
  • Camshaft position sensor (PHASE)