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OBD II Fault Code P0440 :

Description of Fault code P0440

EVAP LEAK SYSTEM FAILURE

Possible failuer P0440

  • Purge control solenoid valve
    -Supply line open
    -Control line open
    -Solenoid valve failure
  • Canister vent shut solenoid valve
    -Supply line open
    -Control line open
    -Solenoid valve failure
  • Two way bypass solenoid valve
    -Supply line open
    -Control line open
    -Solenoid valve failure
  • Fuel tank pressure sensor failure
  • Purge line
    -leakage or breakage
    -misrouting
  • Loose fuel fill cap
  • Two way valve failure
  • Fuel tank leakage
  • Canister leakage

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

Changing Dmaged DME in F Series


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 P0441
OBD II Fault Code P0442
OBD II Fault Code P0443
OBD II Fault Code P0444
OBD II Fault Code P0445
OBD II Fault Code P0446
OBD II Fault Code P0447
OBD II Fault Code P0448
OBD II Fault Code P0449
OBD II Fault Code P044A
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