P03A3

P03A3 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P03A3 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford P03A3 Fault Code Meaning :

Ford P03A3 Symptoms :

Ford P03A3 Reasons :

How To Fix Ford P03A3 Trouble Code ?

Which Ford cars have the code P03A3?

  • P03A3 Ford Aerostar
  • P03A3 Ford Bronco
  • P03A3 Ford C-Max
  • P03A3 Ford C-Max Energi
  • P03A3 Ford C-Max Hybrid
  • P03A3 Ford Contour
  • P03A3 Ford Crown Victoria
  • P03A3 Ford EcoSport
  • P03A3 Ford Econoline
  • P03A3 Ford Edge
  • P03A3 Ford Escape
  • P03A3 Ford Escape Hybrid
  • P03A3 Ford Escort
  • P03A3 Ford Everest
  • P03A3 Ford Excursion
  • P03A3 Ford Expedition
  • P03A3 Ford Explorer
  • P03A3 Ford Explorer Sport Trac
  • P03A3 Ford F-150
  • P03A3 Ford F-250
  • P03A3 Ford F-350
  • P03A3 Ford Fiesta
  • P03A3 Ford Flex
  • P03A3 Ford Focus
  • P03A3 Ford Focus Electric
  • P03A3 Ford Freestar
  • P03A3 Ford Freestyle
  • P03A3 Ford Fusion
  • P03A3 Ford Fusion Energi
  • P03A3 Ford Fusion Hybrid
  • P03A3 Ford Fusion Plug-In Hybrid
  • P03A3 Ford GT
  • P03A3 Ford Mustang
  • P03A3 Ford Mustang Mach-E
  • P03A3 Ford Mystique
  • P03A3 Ford Probe
  • P03A3 Ford Ranger
  • P03A3 Ford Taurus
  • P03A3 Ford Taurus X
  • P03A3 Ford Tempo
  • P03A3 Ford Thunderbird
  • P03A3 Ford Transit
  • P03A3 Ford Transit Connect
  • P03A3 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.