U2178

U2178 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U2178 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.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 U2178 Fault Code Meaning :

Ford U2178 Symptoms :

Ford U2178 Reasons :

How To Fix Ford U2178 Trouble Code ?

Which Ford cars have the code U2178?

  • U2178 Ford Aerostar
  • U2178 Ford Bronco
  • U2178 Ford C-Max
  • U2178 Ford C-Max Energi
  • U2178 Ford C-Max Hybrid
  • U2178 Ford Contour
  • U2178 Ford Crown Victoria
  • U2178 Ford EcoSport
  • U2178 Ford Econoline
  • U2178 Ford Edge
  • U2178 Ford Escape
  • U2178 Ford Escape Hybrid
  • U2178 Ford Escort
  • U2178 Ford Everest
  • U2178 Ford Excursion
  • U2178 Ford Expedition
  • U2178 Ford Explorer
  • U2178 Ford Explorer Sport Trac
  • U2178 Ford F-150
  • U2178 Ford F-250
  • U2178 Ford F-350
  • U2178 Ford Fiesta
  • U2178 Ford Flex
  • U2178 Ford Focus
  • U2178 Ford Focus Electric
  • U2178 Ford Freestar
  • U2178 Ford Freestyle
  • U2178 Ford Fusion
  • U2178 Ford Fusion Energi
  • U2178 Ford Fusion Hybrid
  • U2178 Ford Fusion Plug-In Hybrid
  • U2178 Ford GT
  • U2178 Ford Mustang
  • U2178 Ford Mustang Mach-E
  • U2178 Ford Mystique
  • U2178 Ford Probe
  • U2178 Ford Ranger
  • U2178 Ford Taurus
  • U2178 Ford Taurus X
  • U2178 Ford Tempo
  • U2178 Ford Thunderbird
  • U2178 Ford Transit
  • U2178 Ford Transit Connect
  • U2178 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.