C157A

C157A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C157A 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.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 C157A Fault Code Meaning :

Ford C157A Symptoms :

Ford C157A Reasons :

How To Fix Ford C157A Trouble Code ?

Which Ford cars have the code C157A?

  • C157A Ford Aerostar
  • C157A Ford Bronco
  • C157A Ford C-Max
  • C157A Ford C-Max Energi
  • C157A Ford C-Max Hybrid
  • C157A Ford Contour
  • C157A Ford Crown Victoria
  • C157A Ford EcoSport
  • C157A Ford Econoline
  • C157A Ford Edge
  • C157A Ford Escape
  • C157A Ford Escape Hybrid
  • C157A Ford Escort
  • C157A Ford Everest
  • C157A Ford Excursion
  • C157A Ford Expedition
  • C157A Ford Explorer
  • C157A Ford Explorer Sport Trac
  • C157A Ford F-150
  • C157A Ford F-250
  • C157A Ford F-350
  • C157A Ford Fiesta
  • C157A Ford Flex
  • C157A Ford Focus
  • C157A Ford Focus Electric
  • C157A Ford Freestar
  • C157A Ford Freestyle
  • C157A Ford Fusion
  • C157A Ford Fusion Energi
  • C157A Ford Fusion Hybrid
  • C157A Ford Fusion Plug-In Hybrid
  • C157A Ford GT
  • C157A Ford Mustang
  • C157A Ford Mustang Mach-E
  • C157A Ford Mystique
  • C157A Ford Probe
  • C157A Ford Ranger
  • C157A Ford Taurus
  • C157A Ford Taurus X
  • C157A Ford Tempo
  • C157A Ford Thunderbird
  • C157A Ford Transit
  • C157A Ford Transit Connect
  • C157A 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.