U3138

U3138 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3138 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 U3138 Fault Code Meaning :

Ford U3138 Symptoms :

Ford U3138 Reasons :

How To Fix Ford U3138 Trouble Code ?

Which Ford cars have the code U3138?

  • U3138 Ford Aerostar
  • U3138 Ford Bronco
  • U3138 Ford C-Max
  • U3138 Ford C-Max Energi
  • U3138 Ford C-Max Hybrid
  • U3138 Ford Contour
  • U3138 Ford Crown Victoria
  • U3138 Ford EcoSport
  • U3138 Ford Econoline
  • U3138 Ford Edge
  • U3138 Ford Escape
  • U3138 Ford Escape Hybrid
  • U3138 Ford Escort
  • U3138 Ford Everest
  • U3138 Ford Excursion
  • U3138 Ford Expedition
  • U3138 Ford Explorer
  • U3138 Ford Explorer Sport Trac
  • U3138 Ford F-150
  • U3138 Ford F-250
  • U3138 Ford F-350
  • U3138 Ford Fiesta
  • U3138 Ford Flex
  • U3138 Ford Focus
  • U3138 Ford Focus Electric
  • U3138 Ford Freestar
  • U3138 Ford Freestyle
  • U3138 Ford Fusion
  • U3138 Ford Fusion Energi
  • U3138 Ford Fusion Hybrid
  • U3138 Ford Fusion Plug-In Hybrid
  • U3138 Ford GT
  • U3138 Ford Mustang
  • U3138 Ford Mustang Mach-E
  • U3138 Ford Mystique
  • U3138 Ford Probe
  • U3138 Ford Ranger
  • U3138 Ford Taurus
  • U3138 Ford Taurus X
  • U3138 Ford Tempo
  • U3138 Ford Thunderbird
  • U3138 Ford Transit
  • U3138 Ford Transit Connect
  • U3138 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.