P20B4

P20B4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P20B4 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P20B4 Fault Code Meaning :

Ford P20B4 Symptoms :

Ford P20B4 Reasons :

How To Fix Ford P20B4 Trouble Code ?

Which Ford cars have the code P20B4?

  • P20B4 Ford Aerostar
  • P20B4 Ford Bronco
  • P20B4 Ford C-Max
  • P20B4 Ford C-Max Energi
  • P20B4 Ford C-Max Hybrid
  • P20B4 Ford Contour
  • P20B4 Ford Crown Victoria
  • P20B4 Ford EcoSport
  • P20B4 Ford Econoline
  • P20B4 Ford Edge
  • P20B4 Ford Escape
  • P20B4 Ford Escape Hybrid
  • P20B4 Ford Escort
  • P20B4 Ford Everest
  • P20B4 Ford Excursion
  • P20B4 Ford Expedition
  • P20B4 Ford Explorer
  • P20B4 Ford Explorer Sport Trac
  • P20B4 Ford F-150
  • P20B4 Ford F-250
  • P20B4 Ford F-350
  • P20B4 Ford Fiesta
  • P20B4 Ford Flex
  • P20B4 Ford Focus
  • P20B4 Ford Focus Electric
  • P20B4 Ford Freestar
  • P20B4 Ford Freestyle
  • P20B4 Ford Fusion
  • P20B4 Ford Fusion Energi
  • P20B4 Ford Fusion Hybrid
  • P20B4 Ford Fusion Plug-In Hybrid
  • P20B4 Ford GT
  • P20B4 Ford Mustang
  • P20B4 Ford Mustang Mach-E
  • P20B4 Ford Mystique
  • P20B4 Ford Probe
  • P20B4 Ford Ranger
  • P20B4 Ford Taurus
  • P20B4 Ford Taurus X
  • P20B4 Ford Tempo
  • P20B4 Ford Thunderbird
  • P20B4 Ford Transit
  • P20B4 Ford Transit Connect
  • P20B4 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.