U1604

U1604 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1604 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 U1604 Fault Code Meaning :

Ford U1604 Symptoms :

Ford U1604 Reasons :

How To Fix Ford U1604 Trouble Code ?

Which Ford cars have the code U1604?

  • U1604 Ford Aerostar
  • U1604 Ford Bronco
  • U1604 Ford C-Max
  • U1604 Ford C-Max Energi
  • U1604 Ford C-Max Hybrid
  • U1604 Ford Contour
  • U1604 Ford Crown Victoria
  • U1604 Ford EcoSport
  • U1604 Ford Econoline
  • U1604 Ford Edge
  • U1604 Ford Escape
  • U1604 Ford Escape Hybrid
  • U1604 Ford Escort
  • U1604 Ford Everest
  • U1604 Ford Excursion
  • U1604 Ford Expedition
  • U1604 Ford Explorer
  • U1604 Ford Explorer Sport Trac
  • U1604 Ford F-150
  • U1604 Ford F-250
  • U1604 Ford F-350
  • U1604 Ford Fiesta
  • U1604 Ford Flex
  • U1604 Ford Focus
  • U1604 Ford Focus Electric
  • U1604 Ford Freestar
  • U1604 Ford Freestyle
  • U1604 Ford Fusion
  • U1604 Ford Fusion Energi
  • U1604 Ford Fusion Hybrid
  • U1604 Ford Fusion Plug-In Hybrid
  • U1604 Ford GT
  • U1604 Ford Mustang
  • U1604 Ford Mustang Mach-E
  • U1604 Ford Mystique
  • U1604 Ford Probe
  • U1604 Ford Ranger
  • U1604 Ford Taurus
  • U1604 Ford Taurus X
  • U1604 Ford Tempo
  • U1604 Ford Thunderbird
  • U1604 Ford Transit
  • U1604 Ford Transit Connect
  • U1604 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.