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VW Code 12279

12279 Description And Summary :

The problem is about cylinder 1 above knock threshold to change the oil filter and use the recommended engine oil to avoid any problems in the future so system too rich at higher load, bank 2 . So for next egr system, regulation range not reached will delay your vw fault.

12279 Possible Causes:

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

  • Engine Shutoff Solenoid Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 4 Contribution/Balance Fault
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 12279 Code

  • Inspect all the connections o2 sensor reference voltage bank 1 sensor 1, circuit high
  • 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