P3803

P3803 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3803 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 P3803 Fault Code Meaning :

Ford P3803 Symptoms :

Ford P3803 Reasons :

How To Fix Ford P3803 Trouble Code ?

Which Ford cars have the code P3803?

  • P3803 Ford Aerostar
  • P3803 Ford Bronco
  • P3803 Ford C-Max
  • P3803 Ford C-Max Energi
  • P3803 Ford C-Max Hybrid
  • P3803 Ford Contour
  • P3803 Ford Crown Victoria
  • P3803 Ford EcoSport
  • P3803 Ford Econoline
  • P3803 Ford Edge
  • P3803 Ford Escape
  • P3803 Ford Escape Hybrid
  • P3803 Ford Escort
  • P3803 Ford Everest
  • P3803 Ford Excursion
  • P3803 Ford Expedition
  • P3803 Ford Explorer
  • P3803 Ford Explorer Sport Trac
  • P3803 Ford F-150
  • P3803 Ford F-250
  • P3803 Ford F-350
  • P3803 Ford Fiesta
  • P3803 Ford Flex
  • P3803 Ford Focus
  • P3803 Ford Focus Electric
  • P3803 Ford Freestar
  • P3803 Ford Freestyle
  • P3803 Ford Fusion
  • P3803 Ford Fusion Energi
  • P3803 Ford Fusion Hybrid
  • P3803 Ford Fusion Plug-In Hybrid
  • P3803 Ford GT
  • P3803 Ford Mustang
  • P3803 Ford Mustang Mach-E
  • P3803 Ford Mystique
  • P3803 Ford Probe
  • P3803 Ford Ranger
  • P3803 Ford Taurus
  • P3803 Ford Taurus X
  • P3803 Ford Tempo
  • P3803 Ford Thunderbird
  • P3803 Ford Transit
  • P3803 Ford Transit Connect
  • P3803 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.