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OBD II Fault Code P1F8B :

Description of Fault code P1F8B

In-tank Fuel Shut-off Solenoid Valve Failure (Closed)

Possible failuer P1F8B

  • Fuel Shut-off Solenoid Valve remained open
  • FCVSCM failure
  • Failure of Harness connecting Fuel Shut-off Solenoid Valve and FCVSCM

Diagnostic Procedure using AutoHex II Scan Tool

  • The rear average wheel speed > 15km/h and vehicle speed on the meter<1km/h
  • If the rear average wheel speed > 15km/h and VSP<1km/h lasts for 0.3 seconds, the malfunction is determined.

Test Conditions using AutoHex tester

  • Vehicle speed / wheel speed is normal
  • Brake is out of action
  • The automatic brake is out of action

Clear Fault codes Conditions

  • The rear average wheel speed > 15km/h and vehicle speed on the meter<1km/h
  • If the rear average wheel speed > 15km/h and VSP<1km/h lasts for 0.3 seconds, the malfunction is determined.

MIL Status

  • Glow ON

Programming BMW 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 P1F8C
OBD II Fault Code P1F8D
OBD II Fault Code P1F8E
OBD II Fault Code P1F8F
OBD II Fault Code P1F90
OBD II Fault Code P1F91
OBD II Fault Code P1F92
OBD II Fault Code P1F93
OBD II Fault Code P1F94
OBD II Fault Code P1F95
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