P99A4

P99A4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P99A4 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 OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P99A4 Fault Code Meaning :

Ford P99A4 Symptoms :

Ford P99A4 Reasons :

How To Fix Ford P99A4 Trouble Code ?

Which Ford cars have the code P99A4?

  • P99A4 Ford Aerostar
  • P99A4 Ford Bronco
  • P99A4 Ford C-Max
  • P99A4 Ford C-Max Energi
  • P99A4 Ford C-Max Hybrid
  • P99A4 Ford Contour
  • P99A4 Ford Crown Victoria
  • P99A4 Ford EcoSport
  • P99A4 Ford Econoline
  • P99A4 Ford Edge
  • P99A4 Ford Escape
  • P99A4 Ford Escape Hybrid
  • P99A4 Ford Escort
  • P99A4 Ford Everest
  • P99A4 Ford Excursion
  • P99A4 Ford Expedition
  • P99A4 Ford Explorer
  • P99A4 Ford Explorer Sport Trac
  • P99A4 Ford F-150
  • P99A4 Ford F-250
  • P99A4 Ford F-350
  • P99A4 Ford Fiesta
  • P99A4 Ford Flex
  • P99A4 Ford Focus
  • P99A4 Ford Focus Electric
  • P99A4 Ford Freestar
  • P99A4 Ford Freestyle
  • P99A4 Ford Fusion
  • P99A4 Ford Fusion Energi
  • P99A4 Ford Fusion Hybrid
  • P99A4 Ford Fusion Plug-In Hybrid
  • P99A4 Ford GT
  • P99A4 Ford Mustang
  • P99A4 Ford Mustang Mach-E
  • P99A4 Ford Mystique
  • P99A4 Ford Probe
  • P99A4 Ford Ranger
  • P99A4 Ford Taurus
  • P99A4 Ford Taurus X
  • P99A4 Ford Tempo
  • P99A4 Ford Thunderbird
  • P99A4 Ford Transit
  • P99A4 Ford Transit Connect
  • P99A4 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.