Hi all, firstly I'm new to the forum so hello..
I've got an A4 1999 TQS, which is running cool, as in cold.... I've had it on VAGCOM and it showed CTS intermittent fault, I've changed the CTS, but still got the same problem.. I've had a look around this site, there's some great info on here and I found how to check the CTS using Ch49 on the climate control.. this was showing 60 degrees max on a run, then steadily climbed on idle up to 90 degrees... so, this leads me to change the Tstat (which I'm doing today) I'm pretty confident this will solve the problem... I realise if I'd used ch49 first, then I would've been able to narrow it down to the Tstat straightaway..
However, the VAGCOM data showed the CTS as faulty...hence me changing that first.. Anyone know why it would do this?
Am I heading in the right way with this?