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OBD II Fault Code P0403 :

Description of Fault code P0403

EXHAUST GAS RECIRCULATION (EGR) VALVE CIRCUIT OPEN

Possible failuer P0403

  • EGR Actuator (Internal open)
  • EGR Actuator harness (Open)
  • Engine Control Module(ECM) internal circuit.

Diagnostic Procedure using AutoHex II Scan Tool

  • When minute current is drawn on the inactive drive circuit, the open which can't be drawn the current is detected for a set period of time.

Test Conditions using AutoHex tester

  • Continuously

Clear Fault codes Conditions

  • When minute current is drawn on the inactive drive circuit, the open which can't be drawn the current is detected for a set period of time.

MIL Status

  • Check Engine Light ON

GDS KIA Ecu Flashing using AutoHex II


Note:

  • AutoHex II is a professional Auto diagnostic.
  • This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
    To get the accurate fault code description you may use AutoHex II

More Fault codes:

OBD II Fault Code P0404
OBD II Fault Code P0405
OBD II Fault Code P0406
OBD II Fault Code P0407
OBD II Fault Code P0408
OBD II Fault Code P0409
OBD II Fault Code P040A
OBD II Fault Code P040B
OBD II Fault Code P040C
OBD II Fault Code P040D
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