Air Con: - aircon - too hot too cold too hot too cold..

vidapura · Jun 26th, 2015, 14:51

['04 V40 1.9 Diesel 160k miles]

Folks,

My v40's aircon has only two settings.. too hot or too cold.

If I leave the temp selector on the 'blue' setting (at the bottom of the dial) and turn the fan on then its cool but eventually gets too cold.
If I set the temp to anything other than the bottom 'blue' temp then it just blows hot eventually..

So it can't maintain, say, 18C if I select it.

I don't have an obdII cable to get at fault codes etc.
So I'm probably pushing it asking this .. But..would it be possible for anyone to say whether they think this is just a regassing issue or is it a controller or something else?

Obviously I'm not giving a lot to go on... but if its able to blow cold I'm thinking the gas is ok?

Maybe someone could tell me if there is a way to get a display of the fault codes ? On my old passat the clima panel could be put in a mode that displayed fault codes...

Thanks for looking...

Vida

ps: this could also me being stupid about how to use it.
Does fan have to be set to Auto when I select a temp?

Jun 26th, 2015, 14:51	#1
vidapura New Member Last Online: Mar 12th, 2017 11:48 Join Date: Mar 2015 Location: galway	aircon - too hot too cold too hot too cold.. ['04 V40 1.9 Diesel 160k miles] Folks, My v40's aircon has only two settings.. too hot or too cold. If I leave the temp selector on the 'blue' setting (at the bottom of the dial) and turn the fan on then its cool but eventually gets too cold. If I set the temp to anything other than the bottom 'blue' temp then it just blows hot eventually.. So it can't maintain, say, 18C if I select it. I don't have an obdII cable to get at fault codes etc. So I'm probably pushing it asking this .. But..would it be possible for anyone to say whether they think this is just a regassing issue or is it a controller or something else? Obviously I'm not giving a lot to go on... but if its able to blow cold I'm thinking the gas is ok? Maybe someone could tell me if there is a way to get a display of the fault codes ? On my old passat the clima panel could be put in a mode that displayed fault codes... Thanks for looking... Vida ps: this could also me being stupid about how to use it. Does fan have to be set to Auto when I select a temp?

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