B1557

B1557 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1557 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford B1557 Fault Code Meaning :

Ford B1557 Symptoms :

Ford B1557 Reasons :

How To Fix Ford B1557 Trouble Code ?

Which Ford cars have the code B1557?

  • B1557 Ford Aerostar
  • B1557 Ford Bronco
  • B1557 Ford C-Max
  • B1557 Ford C-Max Energi
  • B1557 Ford C-Max Hybrid
  • B1557 Ford Contour
  • B1557 Ford Crown Victoria
  • B1557 Ford EcoSport
  • B1557 Ford Econoline
  • B1557 Ford Edge
  • B1557 Ford Escape
  • B1557 Ford Escape Hybrid
  • B1557 Ford Escort
  • B1557 Ford Everest
  • B1557 Ford Excursion
  • B1557 Ford Expedition
  • B1557 Ford Explorer
  • B1557 Ford Explorer Sport Trac
  • B1557 Ford F-150
  • B1557 Ford F-250
  • B1557 Ford F-350
  • B1557 Ford Fiesta
  • B1557 Ford Flex
  • B1557 Ford Focus
  • B1557 Ford Focus Electric
  • B1557 Ford Freestar
  • B1557 Ford Freestyle
  • B1557 Ford Fusion
  • B1557 Ford Fusion Energi
  • B1557 Ford Fusion Hybrid
  • B1557 Ford Fusion Plug-In Hybrid
  • B1557 Ford GT
  • B1557 Ford Mustang
  • B1557 Ford Mustang Mach-E
  • B1557 Ford Mystique
  • B1557 Ford Probe
  • B1557 Ford Ranger
  • B1557 Ford Taurus
  • B1557 Ford Taurus X
  • B1557 Ford Tempo
  • B1557 Ford Thunderbird
  • B1557 Ford Transit
  • B1557 Ford Transit Connect
  • B1557 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.