In German. Used google translate so may be some issues. Error code : 19684 P3228
This error code is "Manufacturer Specific" (for each car maker a different definition and meaning). The following description / symptoms / causes / solutions specific to VAG cars.
nl Exhaust Bank 1 Sensor 1, single cylinder control signal sensor unlikely lean
du Abgas Bank 1 Sensor 1 Einzelzylinderregelung Lambda Sensor Signal unplausibel lean
and Exhaust Bank 1 Sensor 1 Individual cylinder control implausibly lean Additional information on the error codes.
Note : The following information is not coming from the VAG group, or from numerous other sources. Complete and error can not be guaranteed. Keep critical thinking.