P81D9

P81D9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P81D9 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 P81D9 Fault Code Meaning :

Ford P81D9 Symptoms :

Ford P81D9 Reasons :

How To Fix Ford P81D9 Trouble Code ?

Which Ford cars have the code P81D9?

  • P81D9 Ford Aerostar
  • P81D9 Ford Bronco
  • P81D9 Ford C-Max
  • P81D9 Ford C-Max Energi
  • P81D9 Ford C-Max Hybrid
  • P81D9 Ford Contour
  • P81D9 Ford Crown Victoria
  • P81D9 Ford EcoSport
  • P81D9 Ford Econoline
  • P81D9 Ford Edge
  • P81D9 Ford Escape
  • P81D9 Ford Escape Hybrid
  • P81D9 Ford Escort
  • P81D9 Ford Everest
  • P81D9 Ford Excursion
  • P81D9 Ford Expedition
  • P81D9 Ford Explorer
  • P81D9 Ford Explorer Sport Trac
  • P81D9 Ford F-150
  • P81D9 Ford F-250
  • P81D9 Ford F-350
  • P81D9 Ford Fiesta
  • P81D9 Ford Flex
  • P81D9 Ford Focus
  • P81D9 Ford Focus Electric
  • P81D9 Ford Freestar
  • P81D9 Ford Freestyle
  • P81D9 Ford Fusion
  • P81D9 Ford Fusion Energi
  • P81D9 Ford Fusion Hybrid
  • P81D9 Ford Fusion Plug-In Hybrid
  • P81D9 Ford GT
  • P81D9 Ford Mustang
  • P81D9 Ford Mustang Mach-E
  • P81D9 Ford Mystique
  • P81D9 Ford Probe
  • P81D9 Ford Ranger
  • P81D9 Ford Taurus
  • P81D9 Ford Taurus X
  • P81D9 Ford Tempo
  • P81D9 Ford Thunderbird
  • P81D9 Ford Transit
  • P81D9 Ford Transit Connect
  • P81D9 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.