P03A4

P03A4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P03A4 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 P03A4 Fault Code Meaning :

Ford P03A4 Symptoms :

Ford P03A4 Reasons :

How To Fix Ford P03A4 Trouble Code ?

Which Ford cars have the code P03A4?

  • P03A4 Ford Aerostar
  • P03A4 Ford Bronco
  • P03A4 Ford C-Max
  • P03A4 Ford C-Max Energi
  • P03A4 Ford C-Max Hybrid
  • P03A4 Ford Contour
  • P03A4 Ford Crown Victoria
  • P03A4 Ford EcoSport
  • P03A4 Ford Econoline
  • P03A4 Ford Edge
  • P03A4 Ford Escape
  • P03A4 Ford Escape Hybrid
  • P03A4 Ford Escort
  • P03A4 Ford Everest
  • P03A4 Ford Excursion
  • P03A4 Ford Expedition
  • P03A4 Ford Explorer
  • P03A4 Ford Explorer Sport Trac
  • P03A4 Ford F-150
  • P03A4 Ford F-250
  • P03A4 Ford F-350
  • P03A4 Ford Fiesta
  • P03A4 Ford Flex
  • P03A4 Ford Focus
  • P03A4 Ford Focus Electric
  • P03A4 Ford Freestar
  • P03A4 Ford Freestyle
  • P03A4 Ford Fusion
  • P03A4 Ford Fusion Energi
  • P03A4 Ford Fusion Hybrid
  • P03A4 Ford Fusion Plug-In Hybrid
  • P03A4 Ford GT
  • P03A4 Ford Mustang
  • P03A4 Ford Mustang Mach-E
  • P03A4 Ford Mystique
  • P03A4 Ford Probe
  • P03A4 Ford Ranger
  • P03A4 Ford Taurus
  • P03A4 Ford Taurus X
  • P03A4 Ford Tempo
  • P03A4 Ford Thunderbird
  • P03A4 Ford Transit
  • P03A4 Ford Transit Connect
  • P03A4 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.