B1556

B1556 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1556 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 B1556 Fault Code Meaning :

Ford B1556 Symptoms :

Ford B1556 Reasons :

How To Fix Ford B1556 Trouble Code ?

Which Ford cars have the code B1556?

  • B1556 Ford Aerostar
  • B1556 Ford Bronco
  • B1556 Ford C-Max
  • B1556 Ford C-Max Energi
  • B1556 Ford C-Max Hybrid
  • B1556 Ford Contour
  • B1556 Ford Crown Victoria
  • B1556 Ford EcoSport
  • B1556 Ford Econoline
  • B1556 Ford Edge
  • B1556 Ford Escape
  • B1556 Ford Escape Hybrid
  • B1556 Ford Escort
  • B1556 Ford Everest
  • B1556 Ford Excursion
  • B1556 Ford Expedition
  • B1556 Ford Explorer
  • B1556 Ford Explorer Sport Trac
  • B1556 Ford F-150
  • B1556 Ford F-250
  • B1556 Ford F-350
  • B1556 Ford Fiesta
  • B1556 Ford Flex
  • B1556 Ford Focus
  • B1556 Ford Focus Electric
  • B1556 Ford Freestar
  • B1556 Ford Freestyle
  • B1556 Ford Fusion
  • B1556 Ford Fusion Energi
  • B1556 Ford Fusion Hybrid
  • B1556 Ford Fusion Plug-In Hybrid
  • B1556 Ford GT
  • B1556 Ford Mustang
  • B1556 Ford Mustang Mach-E
  • B1556 Ford Mystique
  • B1556 Ford Probe
  • B1556 Ford Ranger
  • B1556 Ford Taurus
  • B1556 Ford Taurus X
  • B1556 Ford Tempo
  • B1556 Ford Thunderbird
  • B1556 Ford Transit
  • B1556 Ford Transit Connect
  • B1556 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.