about Autohex II Download forum contact

OBD II Fault Code P1F34 :

Description of Fault code P1F34

Battery Line Open Fault

Possible failuer P1F34

  • BM Switch OFF (Wrong Operation)
  • BM Contactor failure
  • FCVSCM failure
  • BMCM failure
  • APIMI Module failure
  • DMPI Module failure
  • BVCM failure
  • Disconnection of Cable connecting BM Contactor and BVCM (+,-)
  • Disconnection of Cable connecting BM Contactor and APIMI (Startup Line)
  • Disconnection of Cable connecting BMCM and Start Up Contactor
  • Disconnection of Cable connecting FCVSCM and High Voltage Contactor (+)
  • Disconnection of Cable connecting FCVSCM and High Voltage Contactor (-)
  • Disconnection of Power Line between IGP1B RLY 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

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 P1F35
OBD II Fault Code P1F36
OBD II Fault Code P1F37
OBD II Fault Code P1F38
OBD II Fault Code P1F39
OBD II Fault Code P1F3A
OBD II Fault Code P1F3B
OBD II Fault Code P1F3C
OBD II Fault Code P1F3D
OBD II Fault Code P1F3E
Autohex II Reviews
Autohex II Reviews
Find out Autohex II user's impressions about using this tool for BMW advanced services
AutoHex II
AutoHex II
AutoHex II is your best choice to have full access to dealer functions like coding, adjusting and modules flashing/programming, Contact us for prices
AutoHex Forum
Scan Tool Forum
In AutoHex onboard diagnostic forum you will find discussions how to change the configurations of the car by the professional special functions using AutoHex scan tool
AutoHex II Autohex II For BMW AutoHex II For Kia and Hyundai AutoHex stand alone Mercedes Technical Info