Passat 2010 Heater Problems (with climate) & cutting out problems

[Quatrelle]

Yes, that was it.

Oh well, brain fade again!

[RichardSEL]

You can get your HVAC system reset to default with VCDS which is what I presume your VAG indie has.
The "official" dealer diagnostic tool is called VAS

If they've already performed a VCDS scan that you've paid for then get a copy (it's called an Autoscan -- it's a short text file so they can email it to you) If you post it here then we all can see what's being reported as faults. Pointless guessing as this heater fault could be anything from faulty flaps, to something dropped down the grills or windscreen vents to an actual electrical fault.

Any old scanner won't do either

Check for any dampness around front footwells? Would indicate water ingress that might have got behind dash

[DMitch16]

Complete shot in the dark (and I might be thinking about another forum) but was there a thread here some while ago about a failed resistor in the heater control such that it would only work correctly on the highest setting?

Apologies if that's a bad guess.

Excellent memory Quatrelle for an individual of your er, vast experience! . I too had seen this somewhere on one of the forums but the old memory won't let me remember which one!

[RichardSEL]

Wotta bargain! Climatic Blower resistor pack repaired Genuine 1k0959263A Passat B6 & others | eBay

[Crasher]

I suppose if he does it for you and you don't own a high temp soldering iron and have any silver solder than I suppose that is reasonable but I would still rather buy my own thermals from RS for about 80p.....