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OBD II Fault Code P1F2F :

Description of Fault code P1F2F

DC-DC Converter Power Halt (Voltage excess rise)

Possible failuer P1F2F

  • DC-DC Converter failure
  • More than 16.8V power was connected to 12V Battery (Wrong Operation)

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 Key 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 P1F30
OBD II Fault Code P1F31
OBD II Fault Code P1F32
OBD II Fault Code P1F33
OBD II Fault Code P1F34
OBD II Fault Code P1F35
OBD II Fault Code P1F36
OBD II Fault Code P1F37
OBD II Fault Code P1F38
OBD II Fault Code P1F39
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