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OBD II Fault Code P1F9A :

Description of Fault code P1F9A

Excess Rise of Air Pressure

Possible failuer P1F9A

  • Air Pressure Control Valve remained closed
  • Harness between Air Pressure Control Valve and FCCM
  • FCCM failure
  • Clogged Air Line Pipe (Air Pump to Air Pressure Control Valve)

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

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 P1F9B
OBD II Fault Code P1F9C
OBD II Fault Code P1F9D
OBD II Fault Code P1F9E
OBD II Fault Code P1F9F
OBD II Fault Code P1FA0
OBD II Fault Code P1FA1
OBD II Fault Code P1FA2
OBD II Fault Code P1FA3
OBD II Fault Code P1FA4
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