P1604

P1604 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1604 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 P1604 Fault Code Meaning :

Ford P1604 Symptoms :

Ford P1604 Reasons :

How To Fix Ford P1604 Trouble Code ?

Which Ford cars have the code P1604?

  • P1604 Ford Aerostar
  • P1604 Ford Bronco
  • P1604 Ford C-Max
  • P1604 Ford C-Max Energi
  • P1604 Ford C-Max Hybrid
  • P1604 Ford Contour
  • P1604 Ford Crown Victoria
  • P1604 Ford EcoSport
  • P1604 Ford Econoline
  • P1604 Ford Edge
  • P1604 Ford Escape
  • P1604 Ford Escape Hybrid
  • P1604 Ford Escort
  • P1604 Ford Everest
  • P1604 Ford Excursion
  • P1604 Ford Expedition
  • P1604 Ford Explorer
  • P1604 Ford Explorer Sport Trac
  • P1604 Ford F-150
  • P1604 Ford F-250
  • P1604 Ford F-350
  • P1604 Ford Fiesta
  • P1604 Ford Flex
  • P1604 Ford Focus
  • P1604 Ford Focus Electric
  • P1604 Ford Freestar
  • P1604 Ford Freestyle
  • P1604 Ford Fusion
  • P1604 Ford Fusion Energi
  • P1604 Ford Fusion Hybrid
  • P1604 Ford Fusion Plug-In Hybrid
  • P1604 Ford GT
  • P1604 Ford Mustang
  • P1604 Ford Mustang Mach-E
  • P1604 Ford Mystique
  • P1604 Ford Probe
  • P1604 Ford Ranger
  • P1604 Ford Taurus
  • P1604 Ford Taurus X
  • P1604 Ford Tempo
  • P1604 Ford Thunderbird
  • P1604 Ford Transit
  • P1604 Ford Transit Connect
  • P1604 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.