P721E

P721E Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P721E Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P721E Fault Code Meaning :

Ford P721E Symptoms :

Ford P721E Reasons :

How To Fix Ford P721E Trouble Code ?

Which Ford cars have the code P721E?

  • P721E Ford Aerostar
  • P721E Ford Bronco
  • P721E Ford C-Max
  • P721E Ford C-Max Energi
  • P721E Ford C-Max Hybrid
  • P721E Ford Contour
  • P721E Ford Crown Victoria
  • P721E Ford EcoSport
  • P721E Ford Econoline
  • P721E Ford Edge
  • P721E Ford Escape
  • P721E Ford Escape Hybrid
  • P721E Ford Escort
  • P721E Ford Everest
  • P721E Ford Excursion
  • P721E Ford Expedition
  • P721E Ford Explorer
  • P721E Ford Explorer Sport Trac
  • P721E Ford F-150
  • P721E Ford F-250
  • P721E Ford F-350
  • P721E Ford Fiesta
  • P721E Ford Flex
  • P721E Ford Focus
  • P721E Ford Focus Electric
  • P721E Ford Freestar
  • P721E Ford Freestyle
  • P721E Ford Fusion
  • P721E Ford Fusion Energi
  • P721E Ford Fusion Hybrid
  • P721E Ford Fusion Plug-In Hybrid
  • P721E Ford GT
  • P721E Ford Mustang
  • P721E Ford Mustang Mach-E
  • P721E Ford Mystique
  • P721E Ford Probe
  • P721E Ford Ranger
  • P721E Ford Taurus
  • P721E Ford Taurus X
  • P721E Ford Tempo
  • P721E Ford Thunderbird
  • P721E Ford Transit
  • P721E Ford Transit Connect
  • P721E 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.