P5B81

P5B81 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P5B81 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P5B81 Fault Code Meaning :

Ford P5B81 Symptoms :

Ford P5B81 Reasons :

How To Fix Ford P5B81 Trouble Code ?

Which Ford cars have the code P5B81?

  • P5B81 Ford Aerostar
  • P5B81 Ford Bronco
  • P5B81 Ford C-Max
  • P5B81 Ford C-Max Energi
  • P5B81 Ford C-Max Hybrid
  • P5B81 Ford Contour
  • P5B81 Ford Crown Victoria
  • P5B81 Ford EcoSport
  • P5B81 Ford Econoline
  • P5B81 Ford Edge
  • P5B81 Ford Escape
  • P5B81 Ford Escape Hybrid
  • P5B81 Ford Escort
  • P5B81 Ford Everest
  • P5B81 Ford Excursion
  • P5B81 Ford Expedition
  • P5B81 Ford Explorer
  • P5B81 Ford Explorer Sport Trac
  • P5B81 Ford F-150
  • P5B81 Ford F-250
  • P5B81 Ford F-350
  • P5B81 Ford Fiesta
  • P5B81 Ford Flex
  • P5B81 Ford Focus
  • P5B81 Ford Focus Electric
  • P5B81 Ford Freestar
  • P5B81 Ford Freestyle
  • P5B81 Ford Fusion
  • P5B81 Ford Fusion Energi
  • P5B81 Ford Fusion Hybrid
  • P5B81 Ford Fusion Plug-In Hybrid
  • P5B81 Ford GT
  • P5B81 Ford Mustang
  • P5B81 Ford Mustang Mach-E
  • P5B81 Ford Mystique
  • P5B81 Ford Probe
  • P5B81 Ford Ranger
  • P5B81 Ford Taurus
  • P5B81 Ford Taurus X
  • P5B81 Ford Tempo
  • P5B81 Ford Thunderbird
  • P5B81 Ford Transit
  • P5B81 Ford Transit Connect
  • P5B81 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.