U1171

U1171 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1171 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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 U1171 Fault Code Meaning :

Ford U1171 Symptoms :

Ford U1171 Reasons :

How To Fix Ford U1171 Trouble Code ?

Which Ford cars have the code U1171?

  • U1171 Ford Aerostar
  • U1171 Ford Bronco
  • U1171 Ford C-Max
  • U1171 Ford C-Max Energi
  • U1171 Ford C-Max Hybrid
  • U1171 Ford Contour
  • U1171 Ford Crown Victoria
  • U1171 Ford EcoSport
  • U1171 Ford Econoline
  • U1171 Ford Edge
  • U1171 Ford Escape
  • U1171 Ford Escape Hybrid
  • U1171 Ford Escort
  • U1171 Ford Everest
  • U1171 Ford Excursion
  • U1171 Ford Expedition
  • U1171 Ford Explorer
  • U1171 Ford Explorer Sport Trac
  • U1171 Ford F-150
  • U1171 Ford F-250
  • U1171 Ford F-350
  • U1171 Ford Fiesta
  • U1171 Ford Flex
  • U1171 Ford Focus
  • U1171 Ford Focus Electric
  • U1171 Ford Freestar
  • U1171 Ford Freestyle
  • U1171 Ford Fusion
  • U1171 Ford Fusion Energi
  • U1171 Ford Fusion Hybrid
  • U1171 Ford Fusion Plug-In Hybrid
  • U1171 Ford GT
  • U1171 Ford Mustang
  • U1171 Ford Mustang Mach-E
  • U1171 Ford Mystique
  • U1171 Ford Probe
  • U1171 Ford Ranger
  • U1171 Ford Taurus
  • U1171 Ford Taurus X
  • U1171 Ford Tempo
  • U1171 Ford Thunderbird
  • U1171 Ford Transit
  • U1171 Ford Transit Connect
  • U1171 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.