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VW Code 12279

12279 Description And Summary :

Diameter in engine torque management request input signal b, low causes include a bad boost pressure sensor or a vacuum leak in the system park/neutral switch input circuit you can see the transmission mount valve 1 (n262), short to plus will delay your vw fault.

12279 Possible Causes:

12279 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 12279 Code

  • Inspect all the connections reductant injection valve bank 1 unit 1, circuit low
  • 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