P1A90

P1A90 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1A90 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P1A90 Fault Code Meaning :

Ford P1A90 Symptoms :

Ford P1A90 Reasons :

How To Fix Ford P1A90 Trouble Code ?

Which Ford cars have the code P1A90?

  • P1A90 Ford Aerostar
  • P1A90 Ford Bronco
  • P1A90 Ford C-Max
  • P1A90 Ford C-Max Energi
  • P1A90 Ford C-Max Hybrid
  • P1A90 Ford Contour
  • P1A90 Ford Crown Victoria
  • P1A90 Ford EcoSport
  • P1A90 Ford Econoline
  • P1A90 Ford Edge
  • P1A90 Ford Escape
  • P1A90 Ford Escape Hybrid
  • P1A90 Ford Escort
  • P1A90 Ford Everest
  • P1A90 Ford Excursion
  • P1A90 Ford Expedition
  • P1A90 Ford Explorer
  • P1A90 Ford Explorer Sport Trac
  • P1A90 Ford F-150
  • P1A90 Ford F-250
  • P1A90 Ford F-350
  • P1A90 Ford Fiesta
  • P1A90 Ford Flex
  • P1A90 Ford Focus
  • P1A90 Ford Focus Electric
  • P1A90 Ford Freestar
  • P1A90 Ford Freestyle
  • P1A90 Ford Fusion
  • P1A90 Ford Fusion Energi
  • P1A90 Ford Fusion Hybrid
  • P1A90 Ford Fusion Plug-In Hybrid
  • P1A90 Ford GT
  • P1A90 Ford Mustang
  • P1A90 Ford Mustang Mach-E
  • P1A90 Ford Mystique
  • P1A90 Ford Probe
  • P1A90 Ford Ranger
  • P1A90 Ford Taurus
  • P1A90 Ford Taurus X
  • P1A90 Ford Tempo
  • P1A90 Ford Thunderbird
  • P1A90 Ford Transit
  • P1A90 Ford Transit Connect
  • P1A90 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.