U1643

U1643 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1643 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.The wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford U1643 Fault Code Meaning :

Ford U1643 Symptoms :

Ford U1643 Reasons :

How To Fix Ford U1643 Trouble Code ?

Which Ford cars have the code U1643?

  • U1643 Ford Aerostar
  • U1643 Ford Bronco
  • U1643 Ford C-Max
  • U1643 Ford C-Max Energi
  • U1643 Ford C-Max Hybrid
  • U1643 Ford Contour
  • U1643 Ford Crown Victoria
  • U1643 Ford EcoSport
  • U1643 Ford Econoline
  • U1643 Ford Edge
  • U1643 Ford Escape
  • U1643 Ford Escape Hybrid
  • U1643 Ford Escort
  • U1643 Ford Everest
  • U1643 Ford Excursion
  • U1643 Ford Expedition
  • U1643 Ford Explorer
  • U1643 Ford Explorer Sport Trac
  • U1643 Ford F-150
  • U1643 Ford F-250
  • U1643 Ford F-350
  • U1643 Ford Fiesta
  • U1643 Ford Flex
  • U1643 Ford Focus
  • U1643 Ford Focus Electric
  • U1643 Ford Freestar
  • U1643 Ford Freestyle
  • U1643 Ford Fusion
  • U1643 Ford Fusion Energi
  • U1643 Ford Fusion Hybrid
  • U1643 Ford Fusion Plug-In Hybrid
  • U1643 Ford GT
  • U1643 Ford Mustang
  • U1643 Ford Mustang Mach-E
  • U1643 Ford Mystique
  • U1643 Ford Probe
  • U1643 Ford Ranger
  • U1643 Ford Taurus
  • U1643 Ford Taurus X
  • U1643 Ford Tempo
  • U1643 Ford Thunderbird
  • U1643 Ford Transit
  • U1643 Ford Transit Connect
  • U1643 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.