P1129

P1129 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1129 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 OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P1129 Fault Code Meaning :

Ford P1129 Symptoms :

Ford P1129 Reasons :

How To Fix Ford P1129 Trouble Code ?

Which Ford cars have the code P1129?

  • P1129 Ford Aerostar
  • P1129 Ford Bronco
  • P1129 Ford C-Max
  • P1129 Ford C-Max Energi
  • P1129 Ford C-Max Hybrid
  • P1129 Ford Contour
  • P1129 Ford Crown Victoria
  • P1129 Ford EcoSport
  • P1129 Ford Econoline
  • P1129 Ford Edge
  • P1129 Ford Escape
  • P1129 Ford Escape Hybrid
  • P1129 Ford Escort
  • P1129 Ford Everest
  • P1129 Ford Excursion
  • P1129 Ford Expedition
  • P1129 Ford Explorer
  • P1129 Ford Explorer Sport Trac
  • P1129 Ford F-150
  • P1129 Ford F-250
  • P1129 Ford F-350
  • P1129 Ford Fiesta
  • P1129 Ford Flex
  • P1129 Ford Focus
  • P1129 Ford Focus Electric
  • P1129 Ford Freestar
  • P1129 Ford Freestyle
  • P1129 Ford Fusion
  • P1129 Ford Fusion Energi
  • P1129 Ford Fusion Hybrid
  • P1129 Ford Fusion Plug-In Hybrid
  • P1129 Ford GT
  • P1129 Ford Mustang
  • P1129 Ford Mustang Mach-E
  • P1129 Ford Mystique
  • P1129 Ford Probe
  • P1129 Ford Ranger
  • P1129 Ford Taurus
  • P1129 Ford Taurus X
  • P1129 Ford Tempo
  • P1129 Ford Thunderbird
  • P1129 Ford Transit
  • P1129 Ford Transit Connect
  • P1129 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.