C1129

C1129 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1129 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 C1129 Fault Code Meaning :

Ford C1129 Symptoms :

Ford C1129 Reasons :

How To Fix Ford C1129 Trouble Code ?

Which Ford cars have the code C1129?

  • C1129 Ford Aerostar
  • C1129 Ford Bronco
  • C1129 Ford C-Max
  • C1129 Ford C-Max Energi
  • C1129 Ford C-Max Hybrid
  • C1129 Ford Contour
  • C1129 Ford Crown Victoria
  • C1129 Ford EcoSport
  • C1129 Ford Econoline
  • C1129 Ford Edge
  • C1129 Ford Escape
  • C1129 Ford Escape Hybrid
  • C1129 Ford Escort
  • C1129 Ford Everest
  • C1129 Ford Excursion
  • C1129 Ford Expedition
  • C1129 Ford Explorer
  • C1129 Ford Explorer Sport Trac
  • C1129 Ford F-150
  • C1129 Ford F-250
  • C1129 Ford F-350
  • C1129 Ford Fiesta
  • C1129 Ford Flex
  • C1129 Ford Focus
  • C1129 Ford Focus Electric
  • C1129 Ford Freestar
  • C1129 Ford Freestyle
  • C1129 Ford Fusion
  • C1129 Ford Fusion Energi
  • C1129 Ford Fusion Hybrid
  • C1129 Ford Fusion Plug-In Hybrid
  • C1129 Ford GT
  • C1129 Ford Mustang
  • C1129 Ford Mustang Mach-E
  • C1129 Ford Mystique
  • C1129 Ford Probe
  • C1129 Ford Ranger
  • C1129 Ford Taurus
  • C1129 Ford Taurus X
  • C1129 Ford Tempo
  • C1129 Ford Thunderbird
  • C1129 Ford Transit
  • C1129 Ford Transit Connect
  • C1129 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.