P3A71

P3A71 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3A71 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.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 P3A71 Fault Code Meaning :

Ford P3A71 Symptoms :

Ford P3A71 Reasons :

How To Fix Ford P3A71 Trouble Code ?

Which Ford cars have the code P3A71?

  • P3A71 Ford Aerostar
  • P3A71 Ford Bronco
  • P3A71 Ford C-Max
  • P3A71 Ford C-Max Energi
  • P3A71 Ford C-Max Hybrid
  • P3A71 Ford Contour
  • P3A71 Ford Crown Victoria
  • P3A71 Ford EcoSport
  • P3A71 Ford Econoline
  • P3A71 Ford Edge
  • P3A71 Ford Escape
  • P3A71 Ford Escape Hybrid
  • P3A71 Ford Escort
  • P3A71 Ford Everest
  • P3A71 Ford Excursion
  • P3A71 Ford Expedition
  • P3A71 Ford Explorer
  • P3A71 Ford Explorer Sport Trac
  • P3A71 Ford F-150
  • P3A71 Ford F-250
  • P3A71 Ford F-350
  • P3A71 Ford Fiesta
  • P3A71 Ford Flex
  • P3A71 Ford Focus
  • P3A71 Ford Focus Electric
  • P3A71 Ford Freestar
  • P3A71 Ford Freestyle
  • P3A71 Ford Fusion
  • P3A71 Ford Fusion Energi
  • P3A71 Ford Fusion Hybrid
  • P3A71 Ford Fusion Plug-In Hybrid
  • P3A71 Ford GT
  • P3A71 Ford Mustang
  • P3A71 Ford Mustang Mach-E
  • P3A71 Ford Mystique
  • P3A71 Ford Probe
  • P3A71 Ford Ranger
  • P3A71 Ford Taurus
  • P3A71 Ford Taurus X
  • P3A71 Ford Tempo
  • P3A71 Ford Thunderbird
  • P3A71 Ford Transit
  • P3A71 Ford Transit Connect
  • P3A71 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.