P5A91

P5A91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P5A91 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 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 P5A91 Fault Code Meaning :

Ford P5A91 Symptoms :

Ford P5A91 Reasons :

How To Fix Ford P5A91 Trouble Code ?

Which Ford cars have the code P5A91?

  • P5A91 Ford Aerostar
  • P5A91 Ford Bronco
  • P5A91 Ford C-Max
  • P5A91 Ford C-Max Energi
  • P5A91 Ford C-Max Hybrid
  • P5A91 Ford Contour
  • P5A91 Ford Crown Victoria
  • P5A91 Ford EcoSport
  • P5A91 Ford Econoline
  • P5A91 Ford Edge
  • P5A91 Ford Escape
  • P5A91 Ford Escape Hybrid
  • P5A91 Ford Escort
  • P5A91 Ford Everest
  • P5A91 Ford Excursion
  • P5A91 Ford Expedition
  • P5A91 Ford Explorer
  • P5A91 Ford Explorer Sport Trac
  • P5A91 Ford F-150
  • P5A91 Ford F-250
  • P5A91 Ford F-350
  • P5A91 Ford Fiesta
  • P5A91 Ford Flex
  • P5A91 Ford Focus
  • P5A91 Ford Focus Electric
  • P5A91 Ford Freestar
  • P5A91 Ford Freestyle
  • P5A91 Ford Fusion
  • P5A91 Ford Fusion Energi
  • P5A91 Ford Fusion Hybrid
  • P5A91 Ford Fusion Plug-In Hybrid
  • P5A91 Ford GT
  • P5A91 Ford Mustang
  • P5A91 Ford Mustang Mach-E
  • P5A91 Ford Mystique
  • P5A91 Ford Probe
  • P5A91 Ford Ranger
  • P5A91 Ford Taurus
  • P5A91 Ford Taurus X
  • P5A91 Ford Tempo
  • P5A91 Ford Thunderbird
  • P5A91 Ford Transit
  • P5A91 Ford Transit Connect
  • P5A91 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.