diagnostic

I've got an unstoppable adblue countdown and when the garage plugged in the main dealer diagnostic kit, it can't communicate with the van. My carista one picks up basics, but can't diagnose the problem. As you can probably tell, I don't really know what I'm talking about, but 2 separate...

Can anyone shed any light please on this error code P011100 Air intake temperature sensor1? (2017 2.0 CXGB) I have reset the management light and it stays off for 3-5 days then its back on again. When the eml is on it still drives absolutely fine with no noticeable difference at all. I have...