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OBD II Fault Code P1F56 :

Description of Fault code P1F56

H2DIL Value High

Possible failuer P1F56

  • HGD Sensor 1(H2DIL) failure
  • FCCM failure(Sensor Input Circuit, Sensor Power Supply Line)
  • HGD Sensor 1(H2DIL) signal harness open-circuit
  • HGD Sensor 1(H2DIL) SG harness open-circuit
  • HGD Sensor 1(H2DIL) LG harness open-circuit

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

Key learning when all keys lost


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 P1F57
OBD II Fault Code P1F58
OBD II Fault Code P1F59
OBD II Fault Code P1F5A
OBD II Fault Code P1F5B
OBD II Fault Code P1F5C
OBD II Fault Code P1F5D
OBD II Fault Code P1F5E
OBD II Fault Code P1F5F
OBD II Fault Code P1F60
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