B2991

B2991 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B2991 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 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 B2991 Fault Code Meaning :

Ford B2991 Symptoms :

Ford B2991 Reasons :

How To Fix Ford B2991 Trouble Code ?

Which Ford cars have the code B2991?

  • B2991 Ford Aerostar
  • B2991 Ford Bronco
  • B2991 Ford C-Max
  • B2991 Ford C-Max Energi
  • B2991 Ford C-Max Hybrid
  • B2991 Ford Contour
  • B2991 Ford Crown Victoria
  • B2991 Ford EcoSport
  • B2991 Ford Econoline
  • B2991 Ford Edge
  • B2991 Ford Escape
  • B2991 Ford Escape Hybrid
  • B2991 Ford Escort
  • B2991 Ford Everest
  • B2991 Ford Excursion
  • B2991 Ford Expedition
  • B2991 Ford Explorer
  • B2991 Ford Explorer Sport Trac
  • B2991 Ford F-150
  • B2991 Ford F-250
  • B2991 Ford F-350
  • B2991 Ford Fiesta
  • B2991 Ford Flex
  • B2991 Ford Focus
  • B2991 Ford Focus Electric
  • B2991 Ford Freestar
  • B2991 Ford Freestyle
  • B2991 Ford Fusion
  • B2991 Ford Fusion Energi
  • B2991 Ford Fusion Hybrid
  • B2991 Ford Fusion Plug-In Hybrid
  • B2991 Ford GT
  • B2991 Ford Mustang
  • B2991 Ford Mustang Mach-E
  • B2991 Ford Mystique
  • B2991 Ford Probe
  • B2991 Ford Ranger
  • B2991 Ford Taurus
  • B2991 Ford Taurus X
  • B2991 Ford Tempo
  • B2991 Ford Thunderbird
  • B2991 Ford Transit
  • B2991 Ford Transit Connect
  • B2991 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.