P5A66

P5A66 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P5A66 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 P5A66 Fault Code Meaning :

Ford P5A66 Symptoms :

Ford P5A66 Reasons :

How To Fix Ford P5A66 Trouble Code ?

Which Ford cars have the code P5A66?

  • P5A66 Ford Aerostar
  • P5A66 Ford Bronco
  • P5A66 Ford C-Max
  • P5A66 Ford C-Max Energi
  • P5A66 Ford C-Max Hybrid
  • P5A66 Ford Contour
  • P5A66 Ford Crown Victoria
  • P5A66 Ford EcoSport
  • P5A66 Ford Econoline
  • P5A66 Ford Edge
  • P5A66 Ford Escape
  • P5A66 Ford Escape Hybrid
  • P5A66 Ford Escort
  • P5A66 Ford Everest
  • P5A66 Ford Excursion
  • P5A66 Ford Expedition
  • P5A66 Ford Explorer
  • P5A66 Ford Explorer Sport Trac
  • P5A66 Ford F-150
  • P5A66 Ford F-250
  • P5A66 Ford F-350
  • P5A66 Ford Fiesta
  • P5A66 Ford Flex
  • P5A66 Ford Focus
  • P5A66 Ford Focus Electric
  • P5A66 Ford Freestar
  • P5A66 Ford Freestyle
  • P5A66 Ford Fusion
  • P5A66 Ford Fusion Energi
  • P5A66 Ford Fusion Hybrid
  • P5A66 Ford Fusion Plug-In Hybrid
  • P5A66 Ford GT
  • P5A66 Ford Mustang
  • P5A66 Ford Mustang Mach-E
  • P5A66 Ford Mystique
  • P5A66 Ford Probe
  • P5A66 Ford Ranger
  • P5A66 Ford Taurus
  • P5A66 Ford Taurus X
  • P5A66 Ford Tempo
  • P5A66 Ford Thunderbird
  • P5A66 Ford Transit
  • P5A66 Ford Transit Connect
  • P5A66 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.