P503C

P503C Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P503C 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 P503C Fault Code Meaning :

Ford P503C Symptoms :

Ford P503C Reasons :

How To Fix Ford P503C Trouble Code ?

Which Ford cars have the code P503C?

  • P503C Ford Aerostar
  • P503C Ford Bronco
  • P503C Ford C-Max
  • P503C Ford C-Max Energi
  • P503C Ford C-Max Hybrid
  • P503C Ford Contour
  • P503C Ford Crown Victoria
  • P503C Ford EcoSport
  • P503C Ford Econoline
  • P503C Ford Edge
  • P503C Ford Escape
  • P503C Ford Escape Hybrid
  • P503C Ford Escort
  • P503C Ford Everest
  • P503C Ford Excursion
  • P503C Ford Expedition
  • P503C Ford Explorer
  • P503C Ford Explorer Sport Trac
  • P503C Ford F-150
  • P503C Ford F-250
  • P503C Ford F-350
  • P503C Ford Fiesta
  • P503C Ford Flex
  • P503C Ford Focus
  • P503C Ford Focus Electric
  • P503C Ford Freestar
  • P503C Ford Freestyle
  • P503C Ford Fusion
  • P503C Ford Fusion Energi
  • P503C Ford Fusion Hybrid
  • P503C Ford Fusion Plug-In Hybrid
  • P503C Ford GT
  • P503C Ford Mustang
  • P503C Ford Mustang Mach-E
  • P503C Ford Mystique
  • P503C Ford Probe
  • P503C Ford Ranger
  • P503C Ford Taurus
  • P503C Ford Taurus X
  • P503C Ford Tempo
  • P503C Ford Thunderbird
  • P503C Ford Transit
  • P503C Ford Transit Connect
  • P503C 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.