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

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

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