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OBD II Fault Code P0409 :

Description of Fault code P0409

EXHAUST GAS RECIRCULATION (EGR) VALVE POSITION SENSOR VOLTAGE MALFUNCTION

Possible failuer P0409

  • Sensor failure

Diagnostic Procedure using AutoHex II Scan Tool

  • The data isn t obtained because B-CAN Frame can t be received.
  • The B-CAN System doesn t actuate.

Test Conditions using AutoHex tester

  • When B-CAN Data is sending

Clear Fault codes Conditions

  • The data isn t obtained because B-CAN Frame can t be received.
  • The B-CAN System doesn t actuate.

MIL Status

  • Keyless Access Indicator ON

BMW ECU Programming


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 P040A
OBD II Fault Code P040B
OBD II Fault Code P040C
OBD II Fault Code P040D
OBD II Fault Code P040E
OBD II Fault Code P040F
OBD II Fault Code P0410
OBD II Fault Code P0411
OBD II Fault Code P0412
OBD II Fault Code P0413
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