P66A1

P66A1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P66A1 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 P66A1 Fault Code Meaning :

Ford P66A1 Symptoms :

Ford P66A1 Reasons :

How To Fix Ford P66A1 Trouble Code ?

Which Ford cars have the code P66A1?

  • P66A1 Ford Aerostar
  • P66A1 Ford Bronco
  • P66A1 Ford C-Max
  • P66A1 Ford C-Max Energi
  • P66A1 Ford C-Max Hybrid
  • P66A1 Ford Contour
  • P66A1 Ford Crown Victoria
  • P66A1 Ford EcoSport
  • P66A1 Ford Econoline
  • P66A1 Ford Edge
  • P66A1 Ford Escape
  • P66A1 Ford Escape Hybrid
  • P66A1 Ford Escort
  • P66A1 Ford Everest
  • P66A1 Ford Excursion
  • P66A1 Ford Expedition
  • P66A1 Ford Explorer
  • P66A1 Ford Explorer Sport Trac
  • P66A1 Ford F-150
  • P66A1 Ford F-250
  • P66A1 Ford F-350
  • P66A1 Ford Fiesta
  • P66A1 Ford Flex
  • P66A1 Ford Focus
  • P66A1 Ford Focus Electric
  • P66A1 Ford Freestar
  • P66A1 Ford Freestyle
  • P66A1 Ford Fusion
  • P66A1 Ford Fusion Energi
  • P66A1 Ford Fusion Hybrid
  • P66A1 Ford Fusion Plug-In Hybrid
  • P66A1 Ford GT
  • P66A1 Ford Mustang
  • P66A1 Ford Mustang Mach-E
  • P66A1 Ford Mystique
  • P66A1 Ford Probe
  • P66A1 Ford Ranger
  • P66A1 Ford Taurus
  • P66A1 Ford Taurus X
  • P66A1 Ford Tempo
  • P66A1 Ford Thunderbird
  • P66A1 Ford Transit
  • P66A1 Ford Transit Connect
  • P66A1 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.