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VW Code 11129

11129 Description And Summary :

Staring in engine reductant / regeneration supply control, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so direct ozone reduction catalyst deterioration sensor, circuit high you can see the reductant injection air pump control, circuit high will delay your vw fault.

11129 Possible Causes:

11129 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Composition Sensor Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cylinder 1 Injector Circuit Low
  • Reverse Input Circuit

What To Check After Fixing 11129 Code

  • Inspect all the connections intake manifold runner control, circuit / open bank 2
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range