P1B4A

P1B4A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1B4A 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 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 End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P1B4A Fault Code Meaning :

Ford P1B4A Symptoms :

Ford P1B4A Reasons :

How To Fix Ford P1B4A Trouble Code ?

Which Ford cars have the code P1B4A?

  • P1B4A Ford Aerostar
  • P1B4A Ford Bronco
  • P1B4A Ford C-Max
  • P1B4A Ford C-Max Energi
  • P1B4A Ford C-Max Hybrid
  • P1B4A Ford Contour
  • P1B4A Ford Crown Victoria
  • P1B4A Ford EcoSport
  • P1B4A Ford Econoline
  • P1B4A Ford Edge
  • P1B4A Ford Escape
  • P1B4A Ford Escape Hybrid
  • P1B4A Ford Escort
  • P1B4A Ford Everest
  • P1B4A Ford Excursion
  • P1B4A Ford Expedition
  • P1B4A Ford Explorer
  • P1B4A Ford Explorer Sport Trac
  • P1B4A Ford F-150
  • P1B4A Ford F-250
  • P1B4A Ford F-350
  • P1B4A Ford Fiesta
  • P1B4A Ford Flex
  • P1B4A Ford Focus
  • P1B4A Ford Focus Electric
  • P1B4A Ford Freestar
  • P1B4A Ford Freestyle
  • P1B4A Ford Fusion
  • P1B4A Ford Fusion Energi
  • P1B4A Ford Fusion Hybrid
  • P1B4A Ford Fusion Plug-In Hybrid
  • P1B4A Ford GT
  • P1B4A Ford Mustang
  • P1B4A Ford Mustang Mach-E
  • P1B4A Ford Mystique
  • P1B4A Ford Probe
  • P1B4A Ford Ranger
  • P1B4A Ford Taurus
  • P1B4A Ford Taurus X
  • P1B4A Ford Tempo
  • P1B4A Ford Thunderbird
  • P1B4A Ford Transit
  • P1B4A Ford Transit Connect
  • P1B4A 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.