about Autohex II Autohex members Download forum contact

OBD II Fault Code P104B :

Description of Fault code P104B

No.2 INJECTOR SYSTEM MALFUNCTION

Possible failuer P104B

  • No.2 Injector harness open, short to power or short to ground
  • No.2 Injector short between High side and Low side.
  • No.2 Injector short to other injector harness.
  • No.2 Injector internal circuit open or short.

Diagnostic Procedure using AutoHex II

  • Abnormal pattern of injector charge voltage or current flow is detected during predetermined duration.

Test Conditions using AutoHex tester

  • Engine running.
  • Crankshaft revolute more than 8 revs.

Clear Fault codes Conditions

  • Abnormal pattern of injector charge voltage or current flow is detected during predetermined duration.

MIL Status

  • Check Engine Light ON

Programming BMW 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 P104C
OBD II Fault Code P104D
OBD II Fault Code P104E
OBD II Fault Code P104F
OBD II Fault Code P1050
OBD II Fault Code P1051
OBD II Fault Code P1052
OBD II Fault Code P1053
OBD II Fault Code P1054
OBD II Fault Code P1055
Evaluate Autohex II
Evaluate
UK and U.A.E customers can request evaluating BMW Software for couple days. Contact us to book a date
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
AutoHex Onboard Diagnostic Forum discusses different subjects, if you want to know more about Mercedes Benz, BMW, VW, Audi, Toyota, Nissan, or other cars, join the forum now
AutoHex II Autohex II For BMW AutoHex II For Kia and Hyundai AutoHex stand alone Mercedes Technical Info