B1798

B1798 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1798 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.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 B1798 Fault Code Meaning :

Ford B1798 Symptoms :

Ford B1798 Reasons :

How To Fix Ford B1798 Trouble Code ?

Which Ford cars have the code B1798?

  • B1798 Ford Aerostar
  • B1798 Ford Bronco
  • B1798 Ford C-Max
  • B1798 Ford C-Max Energi
  • B1798 Ford C-Max Hybrid
  • B1798 Ford Contour
  • B1798 Ford Crown Victoria
  • B1798 Ford EcoSport
  • B1798 Ford Econoline
  • B1798 Ford Edge
  • B1798 Ford Escape
  • B1798 Ford Escape Hybrid
  • B1798 Ford Escort
  • B1798 Ford Everest
  • B1798 Ford Excursion
  • B1798 Ford Expedition
  • B1798 Ford Explorer
  • B1798 Ford Explorer Sport Trac
  • B1798 Ford F-150
  • B1798 Ford F-250
  • B1798 Ford F-350
  • B1798 Ford Fiesta
  • B1798 Ford Flex
  • B1798 Ford Focus
  • B1798 Ford Focus Electric
  • B1798 Ford Freestar
  • B1798 Ford Freestyle
  • B1798 Ford Fusion
  • B1798 Ford Fusion Energi
  • B1798 Ford Fusion Hybrid
  • B1798 Ford Fusion Plug-In Hybrid
  • B1798 Ford GT
  • B1798 Ford Mustang
  • B1798 Ford Mustang Mach-E
  • B1798 Ford Mystique
  • B1798 Ford Probe
  • B1798 Ford Ranger
  • B1798 Ford Taurus
  • B1798 Ford Taurus X
  • B1798 Ford Tempo
  • B1798 Ford Thunderbird
  • B1798 Ford Transit
  • B1798 Ford Transit Connect
  • B1798 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.