P0603

P0603 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0603 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford P0603 Fault Code Meaning :

Ford P0603 Symptoms :

Ford P0603 Reasons :

How To Fix Ford P0603 Trouble Code ?

Which Ford cars have the code P0603?

  • P0603 Ford Aerostar
  • P0603 Ford Bronco
  • P0603 Ford C-Max
  • P0603 Ford C-Max Energi
  • P0603 Ford C-Max Hybrid
  • P0603 Ford Contour
  • P0603 Ford Crown Victoria
  • P0603 Ford EcoSport
  • P0603 Ford Econoline
  • P0603 Ford Edge
  • P0603 Ford Escape
  • P0603 Ford Escape Hybrid
  • P0603 Ford Escort
  • P0603 Ford Everest
  • P0603 Ford Excursion
  • P0603 Ford Expedition
  • P0603 Ford Explorer
  • P0603 Ford Explorer Sport Trac
  • P0603 Ford F-150
  • P0603 Ford F-250
  • P0603 Ford F-350
  • P0603 Ford Fiesta
  • P0603 Ford Flex
  • P0603 Ford Focus
  • P0603 Ford Focus Electric
  • P0603 Ford Freestar
  • P0603 Ford Freestyle
  • P0603 Ford Fusion
  • P0603 Ford Fusion Energi
  • P0603 Ford Fusion Hybrid
  • P0603 Ford Fusion Plug-In Hybrid
  • P0603 Ford GT
  • P0603 Ford Mustang
  • P0603 Ford Mustang Mach-E
  • P0603 Ford Mystique
  • P0603 Ford Probe
  • P0603 Ford Ranger
  • P0603 Ford Taurus
  • P0603 Ford Taurus X
  • P0603 Ford Tempo
  • P0603 Ford Thunderbird
  • P0603 Ford Transit
  • P0603 Ford Transit Connect
  • P0603 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.