Hello guys, I have read out the following error message after the engine control people have approached again. It remains despite deletion of the errors, so that a disconnection of the battery on the left side (driver side) is necessary. After a time the engine control people comes back. Will one of the two errors standing below be smart? (I have attached the complete error protocol again, since in the 46 central module comfort system also some errors are filed of which I suspect they are nu r therefore came about because the engine was running during the error measurement.) Another note: I drive with a gas system and had initially suspected that the control unit of the Vialle gas system had changed. Who can help me further? 01 Motorelectronics System description: 4.2l V8/5V A Software number: 4D0907560DR Software version: 0010 Hardware number: 8H2907560 Serial number: VWX3Z0I3873621 Coding: 0013873 Error codes: P1411 – Secondary air system bank 2 Throughput to k low limit static priority: 0 Frequency counter: 4 Driving cycle: 255 Mileage: 206792 km Date: 2021-02-26 12:36:43 P0491 – Secondary air system Bank 1 Flow to low lower limit static priority: 0 Frequency counter: 11 Driving cycle: 255 Mileage: 209369 km Date: 2021-05-08 19:38:47