B0748

B0748 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0748 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 supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford B0748 Fault Code Meaning :

Ford B0748 Symptoms :

Ford B0748 Reasons :

How To Fix Ford B0748 Trouble Code ?

Which Ford cars have the code B0748?

  • B0748 Ford Aerostar
  • B0748 Ford Bronco
  • B0748 Ford C-Max
  • B0748 Ford C-Max Energi
  • B0748 Ford C-Max Hybrid
  • B0748 Ford Contour
  • B0748 Ford Crown Victoria
  • B0748 Ford EcoSport
  • B0748 Ford Econoline
  • B0748 Ford Edge
  • B0748 Ford Escape
  • B0748 Ford Escape Hybrid
  • B0748 Ford Escort
  • B0748 Ford Everest
  • B0748 Ford Excursion
  • B0748 Ford Expedition
  • B0748 Ford Explorer
  • B0748 Ford Explorer Sport Trac
  • B0748 Ford F-150
  • B0748 Ford F-250
  • B0748 Ford F-350
  • B0748 Ford Fiesta
  • B0748 Ford Flex
  • B0748 Ford Focus
  • B0748 Ford Focus Electric
  • B0748 Ford Freestar
  • B0748 Ford Freestyle
  • B0748 Ford Fusion
  • B0748 Ford Fusion Energi
  • B0748 Ford Fusion Hybrid
  • B0748 Ford Fusion Plug-In Hybrid
  • B0748 Ford GT
  • B0748 Ford Mustang
  • B0748 Ford Mustang Mach-E
  • B0748 Ford Mystique
  • B0748 Ford Probe
  • B0748 Ford Ranger
  • B0748 Ford Taurus
  • B0748 Ford Taurus X
  • B0748 Ford Tempo
  • B0748 Ford Thunderbird
  • B0748 Ford Transit
  • B0748 Ford Transit Connect
  • B0748 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.