P123B

P123B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P123B Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 P123B Fault Code Meaning :

Ford P123B Symptoms :

Ford P123B Reasons :

How To Fix Ford P123B Trouble Code ?

Which Ford cars have the code P123B?

  • P123B Ford Aerostar
  • P123B Ford Bronco
  • P123B Ford C-Max
  • P123B Ford C-Max Energi
  • P123B Ford C-Max Hybrid
  • P123B Ford Contour
  • P123B Ford Crown Victoria
  • P123B Ford EcoSport
  • P123B Ford Econoline
  • P123B Ford Edge
  • P123B Ford Escape
  • P123B Ford Escape Hybrid
  • P123B Ford Escort
  • P123B Ford Everest
  • P123B Ford Excursion
  • P123B Ford Expedition
  • P123B Ford Explorer
  • P123B Ford Explorer Sport Trac
  • P123B Ford F-150
  • P123B Ford F-250
  • P123B Ford F-350
  • P123B Ford Fiesta
  • P123B Ford Flex
  • P123B Ford Focus
  • P123B Ford Focus Electric
  • P123B Ford Freestar
  • P123B Ford Freestyle
  • P123B Ford Fusion
  • P123B Ford Fusion Energi
  • P123B Ford Fusion Hybrid
  • P123B Ford Fusion Plug-In Hybrid
  • P123B Ford GT
  • P123B Ford Mustang
  • P123B Ford Mustang Mach-E
  • P123B Ford Mystique
  • P123B Ford Probe
  • P123B Ford Ranger
  • P123B Ford Taurus
  • P123B Ford Taurus X
  • P123B Ford Tempo
  • P123B Ford Thunderbird
  • P123B Ford Transit
  • P123B Ford Transit Connect
  • P123B 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.