B3123

B3123 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3123 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford B3123 Fault Code Meaning :

Ford B3123 Symptoms :

Ford B3123 Reasons :

How To Fix Ford B3123 Trouble Code ?

Which Ford cars have the code B3123?

  • B3123 Ford Aerostar
  • B3123 Ford Bronco
  • B3123 Ford C-Max
  • B3123 Ford C-Max Energi
  • B3123 Ford C-Max Hybrid
  • B3123 Ford Contour
  • B3123 Ford Crown Victoria
  • B3123 Ford EcoSport
  • B3123 Ford Econoline
  • B3123 Ford Edge
  • B3123 Ford Escape
  • B3123 Ford Escape Hybrid
  • B3123 Ford Escort
  • B3123 Ford Everest
  • B3123 Ford Excursion
  • B3123 Ford Expedition
  • B3123 Ford Explorer
  • B3123 Ford Explorer Sport Trac
  • B3123 Ford F-150
  • B3123 Ford F-250
  • B3123 Ford F-350
  • B3123 Ford Fiesta
  • B3123 Ford Flex
  • B3123 Ford Focus
  • B3123 Ford Focus Electric
  • B3123 Ford Freestar
  • B3123 Ford Freestyle
  • B3123 Ford Fusion
  • B3123 Ford Fusion Energi
  • B3123 Ford Fusion Hybrid
  • B3123 Ford Fusion Plug-In Hybrid
  • B3123 Ford GT
  • B3123 Ford Mustang
  • B3123 Ford Mustang Mach-E
  • B3123 Ford Mystique
  • B3123 Ford Probe
  • B3123 Ford Ranger
  • B3123 Ford Taurus
  • B3123 Ford Taurus X
  • B3123 Ford Tempo
  • B3123 Ford Thunderbird
  • B3123 Ford Transit
  • B3123 Ford Transit Connect
  • B3123 Ford Windstar

A code is a fault code and it indicates that something has gone wrong with your car's engine.

It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.

You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.

A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.