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Re: RS2 with stuck temperature regulator flap.
From: Pantelis Giamarellos <firstname.lastname@example.org>
To: Scott Mockry <email@example.com>; firstname.lastname@example.org
<email@example.com>; Eaton Dave <firstname.lastname@example.org>
Date: Monday, March 22, 1999 4:19 PM
Subject: RS2 with stuck temperature regulator flap.
>Dear fellow listers HELP,
>My RS2 was attacked by AUDI gremlins.
>Yesterday the climate control has gone bananas and and with only 4 degrees
>Celsius outside temperature it decided to get stuck in the LOW temperature
>I was changing the temperature to the HIGH but there was no result in the
>temperature coming out of the vents.
>I messed with the diagnostic settings and after falling in a deep hole on
>the road I heard a whooshh and hot air started coming out. From then on I
>was able to regulate the air temperature and A/C with no other problem.
>was yesterday though.
>Today the temperature was stuck in the HIGH setting.
>The bad thing is that the outside temperature is today a very nice 14
>degrees Celsius in the shade and in the town around 20 Celsius under the
>And I get HOT air from the vents even with the A/C on.
>I run the OBD codes and with code number 1 (System malfunction) I get the
>"2.1" which is a known problem of my car (Interior Temp. Sensor in
>static open[actually missing in my car and I am waiting for the spare
>"8.5" meaning Temperature Regulator Flap, static open (motor is cycled;
>software attempts to eliminate block) and
>"8.7" meaning Temperature Regulator Flap, sporadic block
>When changing from LOW to HIGH the OBD code first reads 2.1 and 8.7 and
>after approximately 10 seconds it reads 2.1 and 8.5
>Unfortunately I won't be having my VWTool until tomorrow but I already get
>the OBD codes from the cars climate control display.
>I would like to kindly ask for your help, advise and input on how I could
>rectify this malfunction.
>Thank you in advance for your kind efforts and replies.
I don't know the climate control system design on your RS2, but I had a
similar problem on my '91 200q. The error code set was "Temperature flap
regulating motor open circuit" or something to that effect - codes 7 and 15
on my car if I recall correctly.
The problem was a bad contact in the temp flap regulating motor wiring
connector. I pulled the connector apart, cleaned it with contact cleaner,
applied Stabilant 22A, and the problem was solved.
You may have a similar problem if hitting a bump restored the
temperature control. This is often a sign of an intermittent connection.
'91 200q 271k km