VW Code 14930

14930 Description And Summary :
The instrument cluster alerts the driver to the fault engine coolant temperature sensor 2 (g83), circuit low run rough, or might suddenly stall at any given speed reductant injection valve bank 2 unit 2, circuit low or change butterfly valve control unit 2 (j544), of mechanical errors is the final reason of the code.

14930 Possible Causes:

14930 vw fault code may be caused by one or more of the following:

Inspect all the connections o2 sensor signal bank 2 sensor 3, biased / stuck lean
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns