P3E91

P3E91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3E91 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 P3E91 Fault Code Meaning :

Ford P3E91 Symptoms :

Ford P3E91 Reasons :

How To Fix Ford P3E91 Trouble Code ?

Which Ford cars have the code P3E91?

  • P3E91 Ford Aerostar
  • P3E91 Ford Bronco
  • P3E91 Ford C-Max
  • P3E91 Ford C-Max Energi
  • P3E91 Ford C-Max Hybrid
  • P3E91 Ford Contour
  • P3E91 Ford Crown Victoria
  • P3E91 Ford EcoSport
  • P3E91 Ford Econoline
  • P3E91 Ford Edge
  • P3E91 Ford Escape
  • P3E91 Ford Escape Hybrid
  • P3E91 Ford Escort
  • P3E91 Ford Everest
  • P3E91 Ford Excursion
  • P3E91 Ford Expedition
  • P3E91 Ford Explorer
  • P3E91 Ford Explorer Sport Trac
  • P3E91 Ford F-150
  • P3E91 Ford F-250
  • P3E91 Ford F-350
  • P3E91 Ford Fiesta
  • P3E91 Ford Flex
  • P3E91 Ford Focus
  • P3E91 Ford Focus Electric
  • P3E91 Ford Freestar
  • P3E91 Ford Freestyle
  • P3E91 Ford Fusion
  • P3E91 Ford Fusion Energi
  • P3E91 Ford Fusion Hybrid
  • P3E91 Ford Fusion Plug-In Hybrid
  • P3E91 Ford GT
  • P3E91 Ford Mustang
  • P3E91 Ford Mustang Mach-E
  • P3E91 Ford Mystique
  • P3E91 Ford Probe
  • P3E91 Ford Ranger
  • P3E91 Ford Taurus
  • P3E91 Ford Taurus X
  • P3E91 Ford Tempo
  • P3E91 Ford Thunderbird
  • P3E91 Ford Transit
  • P3E91 Ford Transit Connect
  • P3E91 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.