P40A8

P40A8 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P40A8 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.

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 P40A8 Fault Code Meaning :

Ford P40A8 Symptoms :

Ford P40A8 Reasons :

How To Fix Ford P40A8 Trouble Code ?

Which Ford cars have the code P40A8?

  • P40A8 Ford Aerostar
  • P40A8 Ford Bronco
  • P40A8 Ford C-Max
  • P40A8 Ford C-Max Energi
  • P40A8 Ford C-Max Hybrid
  • P40A8 Ford Contour
  • P40A8 Ford Crown Victoria
  • P40A8 Ford EcoSport
  • P40A8 Ford Econoline
  • P40A8 Ford Edge
  • P40A8 Ford Escape
  • P40A8 Ford Escape Hybrid
  • P40A8 Ford Escort
  • P40A8 Ford Everest
  • P40A8 Ford Excursion
  • P40A8 Ford Expedition
  • P40A8 Ford Explorer
  • P40A8 Ford Explorer Sport Trac
  • P40A8 Ford F-150
  • P40A8 Ford F-250
  • P40A8 Ford F-350
  • P40A8 Ford Fiesta
  • P40A8 Ford Flex
  • P40A8 Ford Focus
  • P40A8 Ford Focus Electric
  • P40A8 Ford Freestar
  • P40A8 Ford Freestyle
  • P40A8 Ford Fusion
  • P40A8 Ford Fusion Energi
  • P40A8 Ford Fusion Hybrid
  • P40A8 Ford Fusion Plug-In Hybrid
  • P40A8 Ford GT
  • P40A8 Ford Mustang
  • P40A8 Ford Mustang Mach-E
  • P40A8 Ford Mystique
  • P40A8 Ford Probe
  • P40A8 Ford Ranger
  • P40A8 Ford Taurus
  • P40A8 Ford Taurus X
  • P40A8 Ford Tempo
  • P40A8 Ford Thunderbird
  • P40A8 Ford Transit
  • P40A8 Ford Transit Connect
  • P40A8 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.