B0603

B0603 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0603 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford B0603 Fault Code Meaning :

Ford B0603 Symptoms :

Ford B0603 Reasons :

How To Fix Ford B0603 Trouble Code ?

Which Ford cars have the code B0603?

  • B0603 Ford Aerostar
  • B0603 Ford Bronco
  • B0603 Ford C-Max
  • B0603 Ford C-Max Energi
  • B0603 Ford C-Max Hybrid
  • B0603 Ford Contour
  • B0603 Ford Crown Victoria
  • B0603 Ford EcoSport
  • B0603 Ford Econoline
  • B0603 Ford Edge
  • B0603 Ford Escape
  • B0603 Ford Escape Hybrid
  • B0603 Ford Escort
  • B0603 Ford Everest
  • B0603 Ford Excursion
  • B0603 Ford Expedition
  • B0603 Ford Explorer
  • B0603 Ford Explorer Sport Trac
  • B0603 Ford F-150
  • B0603 Ford F-250
  • B0603 Ford F-350
  • B0603 Ford Fiesta
  • B0603 Ford Flex
  • B0603 Ford Focus
  • B0603 Ford Focus Electric
  • B0603 Ford Freestar
  • B0603 Ford Freestyle
  • B0603 Ford Fusion
  • B0603 Ford Fusion Energi
  • B0603 Ford Fusion Hybrid
  • B0603 Ford Fusion Plug-In Hybrid
  • B0603 Ford GT
  • B0603 Ford Mustang
  • B0603 Ford Mustang Mach-E
  • B0603 Ford Mystique
  • B0603 Ford Probe
  • B0603 Ford Ranger
  • B0603 Ford Taurus
  • B0603 Ford Taurus X
  • B0603 Ford Tempo
  • B0603 Ford Thunderbird
  • B0603 Ford Transit
  • B0603 Ford Transit Connect
  • B0603 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.