P57A9

P57A9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P57A9 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P57A9 Fault Code Meaning :

Ford P57A9 Symptoms :

Ford P57A9 Reasons :

How To Fix Ford P57A9 Trouble Code ?

Which Ford cars have the code P57A9?

  • P57A9 Ford Aerostar
  • P57A9 Ford Bronco
  • P57A9 Ford C-Max
  • P57A9 Ford C-Max Energi
  • P57A9 Ford C-Max Hybrid
  • P57A9 Ford Contour
  • P57A9 Ford Crown Victoria
  • P57A9 Ford EcoSport
  • P57A9 Ford Econoline
  • P57A9 Ford Edge
  • P57A9 Ford Escape
  • P57A9 Ford Escape Hybrid
  • P57A9 Ford Escort
  • P57A9 Ford Everest
  • P57A9 Ford Excursion
  • P57A9 Ford Expedition
  • P57A9 Ford Explorer
  • P57A9 Ford Explorer Sport Trac
  • P57A9 Ford F-150
  • P57A9 Ford F-250
  • P57A9 Ford F-350
  • P57A9 Ford Fiesta
  • P57A9 Ford Flex
  • P57A9 Ford Focus
  • P57A9 Ford Focus Electric
  • P57A9 Ford Freestar
  • P57A9 Ford Freestyle
  • P57A9 Ford Fusion
  • P57A9 Ford Fusion Energi
  • P57A9 Ford Fusion Hybrid
  • P57A9 Ford Fusion Plug-In Hybrid
  • P57A9 Ford GT
  • P57A9 Ford Mustang
  • P57A9 Ford Mustang Mach-E
  • P57A9 Ford Mystique
  • P57A9 Ford Probe
  • P57A9 Ford Ranger
  • P57A9 Ford Taurus
  • P57A9 Ford Taurus X
  • P57A9 Ford Tempo
  • P57A9 Ford Thunderbird
  • P57A9 Ford Transit
  • P57A9 Ford Transit Connect
  • P57A9 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.