P791B

P791B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P791B Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.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 P791B Fault Code Meaning :

Ford P791B Symptoms :

Ford P791B Reasons :

How To Fix Ford P791B Trouble Code ?

Which Ford cars have the code P791B?

  • P791B Ford Aerostar
  • P791B Ford Bronco
  • P791B Ford C-Max
  • P791B Ford C-Max Energi
  • P791B Ford C-Max Hybrid
  • P791B Ford Contour
  • P791B Ford Crown Victoria
  • P791B Ford EcoSport
  • P791B Ford Econoline
  • P791B Ford Edge
  • P791B Ford Escape
  • P791B Ford Escape Hybrid
  • P791B Ford Escort
  • P791B Ford Everest
  • P791B Ford Excursion
  • P791B Ford Expedition
  • P791B Ford Explorer
  • P791B Ford Explorer Sport Trac
  • P791B Ford F-150
  • P791B Ford F-250
  • P791B Ford F-350
  • P791B Ford Fiesta
  • P791B Ford Flex
  • P791B Ford Focus
  • P791B Ford Focus Electric
  • P791B Ford Freestar
  • P791B Ford Freestyle
  • P791B Ford Fusion
  • P791B Ford Fusion Energi
  • P791B Ford Fusion Hybrid
  • P791B Ford Fusion Plug-In Hybrid
  • P791B Ford GT
  • P791B Ford Mustang
  • P791B Ford Mustang Mach-E
  • P791B Ford Mystique
  • P791B Ford Probe
  • P791B Ford Ranger
  • P791B Ford Taurus
  • P791B Ford Taurus X
  • P791B Ford Tempo
  • P791B Ford Thunderbird
  • P791B Ford Transit
  • P791B Ford Transit Connect
  • P791B 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.