P18A4

P18A4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P18A4 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P18A4 Fault Code Meaning :

Ford P18A4 Symptoms :

Ford P18A4 Reasons :

How To Fix Ford P18A4 Trouble Code ?

Which Ford cars have the code P18A4?

  • P18A4 Ford Aerostar
  • P18A4 Ford Bronco
  • P18A4 Ford C-Max
  • P18A4 Ford C-Max Energi
  • P18A4 Ford C-Max Hybrid
  • P18A4 Ford Contour
  • P18A4 Ford Crown Victoria
  • P18A4 Ford EcoSport
  • P18A4 Ford Econoline
  • P18A4 Ford Edge
  • P18A4 Ford Escape
  • P18A4 Ford Escape Hybrid
  • P18A4 Ford Escort
  • P18A4 Ford Everest
  • P18A4 Ford Excursion
  • P18A4 Ford Expedition
  • P18A4 Ford Explorer
  • P18A4 Ford Explorer Sport Trac
  • P18A4 Ford F-150
  • P18A4 Ford F-250
  • P18A4 Ford F-350
  • P18A4 Ford Fiesta
  • P18A4 Ford Flex
  • P18A4 Ford Focus
  • P18A4 Ford Focus Electric
  • P18A4 Ford Freestar
  • P18A4 Ford Freestyle
  • P18A4 Ford Fusion
  • P18A4 Ford Fusion Energi
  • P18A4 Ford Fusion Hybrid
  • P18A4 Ford Fusion Plug-In Hybrid
  • P18A4 Ford GT
  • P18A4 Ford Mustang
  • P18A4 Ford Mustang Mach-E
  • P18A4 Ford Mystique
  • P18A4 Ford Probe
  • P18A4 Ford Ranger
  • P18A4 Ford Taurus
  • P18A4 Ford Taurus X
  • P18A4 Ford Tempo
  • P18A4 Ford Thunderbird
  • P18A4 Ford Transit
  • P18A4 Ford Transit Connect
  • P18A4 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.