B1503

B1503 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1503 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 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 B1503 Fault Code Meaning :

Ford B1503 Symptoms :

Ford B1503 Reasons :

How To Fix Ford B1503 Trouble Code ?

Which Ford cars have the code B1503?

  • B1503 Ford Aerostar
  • B1503 Ford Bronco
  • B1503 Ford C-Max
  • B1503 Ford C-Max Energi
  • B1503 Ford C-Max Hybrid
  • B1503 Ford Contour
  • B1503 Ford Crown Victoria
  • B1503 Ford EcoSport
  • B1503 Ford Econoline
  • B1503 Ford Edge
  • B1503 Ford Escape
  • B1503 Ford Escape Hybrid
  • B1503 Ford Escort
  • B1503 Ford Everest
  • B1503 Ford Excursion
  • B1503 Ford Expedition
  • B1503 Ford Explorer
  • B1503 Ford Explorer Sport Trac
  • B1503 Ford F-150
  • B1503 Ford F-250
  • B1503 Ford F-350
  • B1503 Ford Fiesta
  • B1503 Ford Flex
  • B1503 Ford Focus
  • B1503 Ford Focus Electric
  • B1503 Ford Freestar
  • B1503 Ford Freestyle
  • B1503 Ford Fusion
  • B1503 Ford Fusion Energi
  • B1503 Ford Fusion Hybrid
  • B1503 Ford Fusion Plug-In Hybrid
  • B1503 Ford GT
  • B1503 Ford Mustang
  • B1503 Ford Mustang Mach-E
  • B1503 Ford Mystique
  • B1503 Ford Probe
  • B1503 Ford Ranger
  • B1503 Ford Taurus
  • B1503 Ford Taurus X
  • B1503 Ford Tempo
  • B1503 Ford Thunderbird
  • B1503 Ford Transit
  • B1503 Ford Transit Connect
  • B1503 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.