Code No. P0405: EGR Valve Position Sensor Low


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • EGR valve position sensor signal voltage is below the limit.

FAIL SAFE FUNCTION



  • EGR valve position sensor is recognized as specified value.

PROBABLE CAUSE



  • Failed EGR valve position sensor
  • Failed electrical harness in EGR valve position sensor circuit