U0645

U0645 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0645 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 U0645 Fault Code Meaning :

Ford U0645 Symptoms :

Ford U0645 Reasons :

How To Fix Ford U0645 Trouble Code ?

Which Ford cars have the code U0645?

  • U0645 Ford Aerostar
  • U0645 Ford Bronco
  • U0645 Ford C-Max
  • U0645 Ford C-Max Energi
  • U0645 Ford C-Max Hybrid
  • U0645 Ford Contour
  • U0645 Ford Crown Victoria
  • U0645 Ford EcoSport
  • U0645 Ford Econoline
  • U0645 Ford Edge
  • U0645 Ford Escape
  • U0645 Ford Escape Hybrid
  • U0645 Ford Escort
  • U0645 Ford Everest
  • U0645 Ford Excursion
  • U0645 Ford Expedition
  • U0645 Ford Explorer
  • U0645 Ford Explorer Sport Trac
  • U0645 Ford F-150
  • U0645 Ford F-250
  • U0645 Ford F-350
  • U0645 Ford Fiesta
  • U0645 Ford Flex
  • U0645 Ford Focus
  • U0645 Ford Focus Electric
  • U0645 Ford Freestar
  • U0645 Ford Freestyle
  • U0645 Ford Fusion
  • U0645 Ford Fusion Energi
  • U0645 Ford Fusion Hybrid
  • U0645 Ford Fusion Plug-In Hybrid
  • U0645 Ford GT
  • U0645 Ford Mustang
  • U0645 Ford Mustang Mach-E
  • U0645 Ford Mystique
  • U0645 Ford Probe
  • U0645 Ford Ranger
  • U0645 Ford Taurus
  • U0645 Ford Taurus X
  • U0645 Ford Tempo
  • U0645 Ford Thunderbird
  • U0645 Ford Transit
  • U0645 Ford Transit Connect
  • U0645 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.