Error Code 4FA

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Sanpan
Posts: 1
Joined: Sat Sep 03, 2016 11:37 am
Passat model: B5

Error Code 4FA

Post by Sanpan » Thu Oct 11, 2018 8:51 pm

Hello,

My Pasaat is a 2001 1.9TDI. When I use the Climatronic I get hot air only if I set the fan to low (3 bars). If I raise this then the how air slowly cools down and I end up with cold air being blown out.

Looking at the Climatronic error code I get 4FA 00. Does anyone know what this means and what the problem could be?

Any help would be appreciated.

Sanjay

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Alan Gunn
Too much time on your hands
Posts: 2796
Joined: Tue Dec 29, 2009 1:49 pm
Passat model: X5-3.0d+320d
Location: Anglesey North Wales

Re: Error Code 4FA

Post by Alan Gunn » Fri Oct 12, 2018 6:49 am

Does the car get up to temp ie 90 as it is most likely your thermostat has failed.
You could also check for air in the system try bleeding the system.
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aman23
Too much time on your hands
Posts: 2242
Joined: Sat Dec 22, 2012 10:59 pm
Passat model: b5.5
Location: West Midlands

Re: Error Code 4FA

Post by aman23 » Fri Oct 12, 2018 12:16 pm

I’m sure that code refers to the reciculation flap motor which can be fixed but most people leave it broke. Unless you enjoy a challenge and have plenty of time.

The hot cold air most likely has nothing to do with that code. Vcds, thermostat, air trapped in the system would be my first choices.

aman23
Too much time on your hands
Posts: 2242
Joined: Sat Dec 22, 2012 10:59 pm
Passat model: b5.5
Location: West Midlands

Re: Error Code 4FA

Post by aman23 » Fri Oct 12, 2018 12:18 pm

If you don’t have vcds you can use the climatrnic to determine the engine temperature as you drive.


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