P31A2

P31A2 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P31A2 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 P31A2 Fault Code Meaning :

Ford P31A2 Symptoms :

Ford P31A2 Reasons :

How To Fix Ford P31A2 Trouble Code ?

Which Ford cars have the code P31A2?

  • P31A2 Ford Aerostar
  • P31A2 Ford Bronco
  • P31A2 Ford C-Max
  • P31A2 Ford C-Max Energi
  • P31A2 Ford C-Max Hybrid
  • P31A2 Ford Contour
  • P31A2 Ford Crown Victoria
  • P31A2 Ford EcoSport
  • P31A2 Ford Econoline
  • P31A2 Ford Edge
  • P31A2 Ford Escape
  • P31A2 Ford Escape Hybrid
  • P31A2 Ford Escort
  • P31A2 Ford Everest
  • P31A2 Ford Excursion
  • P31A2 Ford Expedition
  • P31A2 Ford Explorer
  • P31A2 Ford Explorer Sport Trac
  • P31A2 Ford F-150
  • P31A2 Ford F-250
  • P31A2 Ford F-350
  • P31A2 Ford Fiesta
  • P31A2 Ford Flex
  • P31A2 Ford Focus
  • P31A2 Ford Focus Electric
  • P31A2 Ford Freestar
  • P31A2 Ford Freestyle
  • P31A2 Ford Fusion
  • P31A2 Ford Fusion Energi
  • P31A2 Ford Fusion Hybrid
  • P31A2 Ford Fusion Plug-In Hybrid
  • P31A2 Ford GT
  • P31A2 Ford Mustang
  • P31A2 Ford Mustang Mach-E
  • P31A2 Ford Mystique
  • P31A2 Ford Probe
  • P31A2 Ford Ranger
  • P31A2 Ford Taurus
  • P31A2 Ford Taurus X
  • P31A2 Ford Tempo
  • P31A2 Ford Thunderbird
  • P31A2 Ford Transit
  • P31A2 Ford Transit Connect
  • P31A2 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.