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Aircon intermittent

Posted: Mon Aug 22, 2011 11:04 am
by Targa27
Hey... hope someone can help. Have done a quick search and cant seem to find a similar issue so hope im not repeating here.

Collected my RS4(B7) 2 weeks ago and already have an issue :(
The aircon suddenly stopped working, with the ECON button always illuminated. This was intermittent at first but never recovers now.
I invested in the Ross-tech lead and software and have found the following fault:
00819 - High Pressure Sensor (G65)
29-10 - Short to Ground - Intermittent

Does anyone know where the sensor is located? I would prefer to check the connection myself and even replace myself rather than go to an Audi dealer.

Thanks in Advance

Re: Aircon intermittent

Posted: Mon Aug 22, 2011 3:21 pm
by Timster
Can't answer your questions I'm afraid.... but did you buy your car from an Audi Stealer ?
You have 30 days money-back to wave at them... if you did.

Good luck with sorting it.

Re: Aircon intermittent

Posted: Mon Aug 22, 2011 4:43 pm
by Targa27
Sorted it... wasnt as bad a job as I had expected.
Firstly I have a 3mth warrenty but I am a long way from the seller and cant do without the car at the moment.

I was able to buy a high pressure sensor from my local Audi garage for £52, came home, removed the front bumper and fitted the new sensor (which is located under the passanger headlight, screwed into a pipe on the end of the aircon rad)
The sensor is a dry-break type of fitting so no loss of pressure.

For those with Vag-com, the sensor was failing off high, (100% High pressure signal and 33bar refrigerant circuit pressure)
The new readings are 28.5 % High-Pressure Signal (G65), 8.0 bar Refrigerant Circuit Pressure

Hope this helps anyone else with a similar fail code in the future.
Now back to enjoying my new toy!!

Re: Aircon intermittent

Posted: Mon Aug 22, 2011 5:44 pm
by Timster
Excellent result... well done.

Re: Aircon intermittent

Posted: Mon Aug 22, 2011 5:49 pm
by PJC
Very impressed.