OBD II Fault Code P1905 :

Description of Fault code P1905

ATFP CHECK VALVE STUCK OPEN

Possible failuer P1905

• The one way check valve is malfunctioning in the ATFP

Diagnostic Procedure using AutoHex II Scan Tool

• A malfunction is detected when the following situation lasts for at least 5 seconds. The ATFP is reversed without a command for the ATFP to be driven.

Test Conditions using AutoHex tester

• Warm up the engine, stop the engine, and start the engine again.

Clear Fault codes Conditions

• A malfunction is detected when the following situation lasts for at least 5 seconds. The ATFP is reversed without a command for the ATFP to be driven.

MIL Status

• America/Canada Spec OFF

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: