B3870

B3870 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3870 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 wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

The suspension dump output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension dump air solenoid fault, and for air pressure switch short circuit fault.

Ford B3870 Fault Code Meaning :

Ford B3870 Symptoms :

Ford B3870 Reasons :

How To Fix Ford B3870 Trouble Code ?

Which Ford cars have the code B3870?

  • B3870 Ford Aerostar
  • B3870 Ford Bronco
  • B3870 Ford C-Max
  • B3870 Ford C-Max Energi
  • B3870 Ford C-Max Hybrid
  • B3870 Ford Contour
  • B3870 Ford Crown Victoria
  • B3870 Ford EcoSport
  • B3870 Ford Econoline
  • B3870 Ford Edge
  • B3870 Ford Escape
  • B3870 Ford Escape Hybrid
  • B3870 Ford Escort
  • B3870 Ford Everest
  • B3870 Ford Excursion
  • B3870 Ford Expedition
  • B3870 Ford Explorer
  • B3870 Ford Explorer Sport Trac
  • B3870 Ford F-150
  • B3870 Ford F-250
  • B3870 Ford F-350
  • B3870 Ford Fiesta
  • B3870 Ford Flex
  • B3870 Ford Focus
  • B3870 Ford Focus Electric
  • B3870 Ford Freestar
  • B3870 Ford Freestyle
  • B3870 Ford Fusion
  • B3870 Ford Fusion Energi
  • B3870 Ford Fusion Hybrid
  • B3870 Ford Fusion Plug-In Hybrid
  • B3870 Ford GT
  • B3870 Ford Mustang
  • B3870 Ford Mustang Mach-E
  • B3870 Ford Mystique
  • B3870 Ford Probe
  • B3870 Ford Ranger
  • B3870 Ford Taurus
  • B3870 Ford Taurus X
  • B3870 Ford Tempo
  • B3870 Ford Thunderbird
  • B3870 Ford Transit
  • B3870 Ford Transit Connect
  • B3870 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.