P1581

P1581 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1581 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 is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford P1581 Fault Code Meaning :

Ford P1581 Symptoms :

Ford P1581 Reasons :

How To Fix Ford P1581 Trouble Code ?

Which Ford cars have the code P1581?

  • P1581 Ford Aerostar
  • P1581 Ford Bronco
  • P1581 Ford C-Max
  • P1581 Ford C-Max Energi
  • P1581 Ford C-Max Hybrid
  • P1581 Ford Contour
  • P1581 Ford Crown Victoria
  • P1581 Ford EcoSport
  • P1581 Ford Econoline
  • P1581 Ford Edge
  • P1581 Ford Escape
  • P1581 Ford Escape Hybrid
  • P1581 Ford Escort
  • P1581 Ford Everest
  • P1581 Ford Excursion
  • P1581 Ford Expedition
  • P1581 Ford Explorer
  • P1581 Ford Explorer Sport Trac
  • P1581 Ford F-150
  • P1581 Ford F-250
  • P1581 Ford F-350
  • P1581 Ford Fiesta
  • P1581 Ford Flex
  • P1581 Ford Focus
  • P1581 Ford Focus Electric
  • P1581 Ford Freestar
  • P1581 Ford Freestyle
  • P1581 Ford Fusion
  • P1581 Ford Fusion Energi
  • P1581 Ford Fusion Hybrid
  • P1581 Ford Fusion Plug-In Hybrid
  • P1581 Ford GT
  • P1581 Ford Mustang
  • P1581 Ford Mustang Mach-E
  • P1581 Ford Mystique
  • P1581 Ford Probe
  • P1581 Ford Ranger
  • P1581 Ford Taurus
  • P1581 Ford Taurus X
  • P1581 Ford Tempo
  • P1581 Ford Thunderbird
  • P1581 Ford Transit
  • P1581 Ford Transit Connect
  • P1581 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.