P4B12

P4B12 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4B12 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 P4B12 Fault Code Meaning :

Ford P4B12 Symptoms :

Ford P4B12 Reasons :

How To Fix Ford P4B12 Trouble Code ?

Which Ford cars have the code P4B12?

  • P4B12 Ford Aerostar
  • P4B12 Ford Bronco
  • P4B12 Ford C-Max
  • P4B12 Ford C-Max Energi
  • P4B12 Ford C-Max Hybrid
  • P4B12 Ford Contour
  • P4B12 Ford Crown Victoria
  • P4B12 Ford EcoSport
  • P4B12 Ford Econoline
  • P4B12 Ford Edge
  • P4B12 Ford Escape
  • P4B12 Ford Escape Hybrid
  • P4B12 Ford Escort
  • P4B12 Ford Everest
  • P4B12 Ford Excursion
  • P4B12 Ford Expedition
  • P4B12 Ford Explorer
  • P4B12 Ford Explorer Sport Trac
  • P4B12 Ford F-150
  • P4B12 Ford F-250
  • P4B12 Ford F-350
  • P4B12 Ford Fiesta
  • P4B12 Ford Flex
  • P4B12 Ford Focus
  • P4B12 Ford Focus Electric
  • P4B12 Ford Freestar
  • P4B12 Ford Freestyle
  • P4B12 Ford Fusion
  • P4B12 Ford Fusion Energi
  • P4B12 Ford Fusion Hybrid
  • P4B12 Ford Fusion Plug-In Hybrid
  • P4B12 Ford GT
  • P4B12 Ford Mustang
  • P4B12 Ford Mustang Mach-E
  • P4B12 Ford Mystique
  • P4B12 Ford Probe
  • P4B12 Ford Ranger
  • P4B12 Ford Taurus
  • P4B12 Ford Taurus X
  • P4B12 Ford Tempo
  • P4B12 Ford Thunderbird
  • P4B12 Ford Transit
  • P4B12 Ford Transit Connect
  • P4B12 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.