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OBD II Fault Code P1F45 :

Description of Fault code P1F45

Fuel Cell Stack Excess Current

Possible failuer P1F45

  • DMPI Module Cable short-circuit fault
  • FC/CM Internal Circuit short-circuit fault
  • FC/CM to BVCM Cable short-circuit fault
  • DMPI Module failure
  • BVCM short-circuit
  • BM Contactor to BVCM Cable short-circuit fault
  • BM Contactor Internal Circuit short-circuit fault
  • BM Internal Circuit short-circuit fault
  • FCVSCM failure

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

BMW ECU Programming


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 P1F46
OBD II Fault Code P1F47
OBD II Fault Code P1F48
OBD II Fault Code P1F49
OBD II Fault Code P1F4A
OBD II Fault Code P1F4B
OBD II Fault Code P1F4C
OBD II Fault Code P1F4D
OBD II Fault Code P1F4E
OBD II Fault Code P1F4F
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