P0891

P0891 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0891 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford P0891 Fault Code Meaning :

Ford P0891 Symptoms :

Ford P0891 Reasons :

How To Fix Ford P0891 Trouble Code ?

Which Ford cars have the code P0891?

  • P0891 Ford Aerostar
  • P0891 Ford Bronco
  • P0891 Ford C-Max
  • P0891 Ford C-Max Energi
  • P0891 Ford C-Max Hybrid
  • P0891 Ford Contour
  • P0891 Ford Crown Victoria
  • P0891 Ford EcoSport
  • P0891 Ford Econoline
  • P0891 Ford Edge
  • P0891 Ford Escape
  • P0891 Ford Escape Hybrid
  • P0891 Ford Escort
  • P0891 Ford Everest
  • P0891 Ford Excursion
  • P0891 Ford Expedition
  • P0891 Ford Explorer
  • P0891 Ford Explorer Sport Trac
  • P0891 Ford F-150
  • P0891 Ford F-250
  • P0891 Ford F-350
  • P0891 Ford Fiesta
  • P0891 Ford Flex
  • P0891 Ford Focus
  • P0891 Ford Focus Electric
  • P0891 Ford Freestar
  • P0891 Ford Freestyle
  • P0891 Ford Fusion
  • P0891 Ford Fusion Energi
  • P0891 Ford Fusion Hybrid
  • P0891 Ford Fusion Plug-In Hybrid
  • P0891 Ford GT
  • P0891 Ford Mustang
  • P0891 Ford Mustang Mach-E
  • P0891 Ford Mystique
  • P0891 Ford Probe
  • P0891 Ford Ranger
  • P0891 Ford Taurus
  • P0891 Ford Taurus X
  • P0891 Ford Tempo
  • P0891 Ford Thunderbird
  • P0891 Ford Transit
  • P0891 Ford Transit Connect
  • P0891 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.