B157B

B157B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B157B 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 B157B Fault Code Meaning :

Ford B157B Symptoms :

Ford B157B Reasons :

How To Fix Ford B157B Trouble Code ?

Which Ford cars have the code B157B?

  • B157B Ford Aerostar
  • B157B Ford Bronco
  • B157B Ford C-Max
  • B157B Ford C-Max Energi
  • B157B Ford C-Max Hybrid
  • B157B Ford Contour
  • B157B Ford Crown Victoria
  • B157B Ford EcoSport
  • B157B Ford Econoline
  • B157B Ford Edge
  • B157B Ford Escape
  • B157B Ford Escape Hybrid
  • B157B Ford Escort
  • B157B Ford Everest
  • B157B Ford Excursion
  • B157B Ford Expedition
  • B157B Ford Explorer
  • B157B Ford Explorer Sport Trac
  • B157B Ford F-150
  • B157B Ford F-250
  • B157B Ford F-350
  • B157B Ford Fiesta
  • B157B Ford Flex
  • B157B Ford Focus
  • B157B Ford Focus Electric
  • B157B Ford Freestar
  • B157B Ford Freestyle
  • B157B Ford Fusion
  • B157B Ford Fusion Energi
  • B157B Ford Fusion Hybrid
  • B157B Ford Fusion Plug-In Hybrid
  • B157B Ford GT
  • B157B Ford Mustang
  • B157B Ford Mustang Mach-E
  • B157B Ford Mystique
  • B157B Ford Probe
  • B157B Ford Ranger
  • B157B Ford Taurus
  • B157B Ford Taurus X
  • B157B Ford Tempo
  • B157B Ford Thunderbird
  • B157B Ford Transit
  • B157B Ford Transit Connect
  • B157B 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.