I got 2 engine codes P0137 Sensor Circuit Low Voltage Bank 1 Sensor 2 and P2270 Sensor Signal Stuck Lean Bank 1 Sensor 2 so I decided to change the oxygen sensor on my 2017 VW Golf with 1.8l engine.
I am not a mechanic but this video just shows you exactly what I did to change my O2 sensor.
Here's a link to that O2 sensor socket: https://amzn.to/3JQOoKD