Question about 2002 Audi A4

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Econ light stays on A/C will not function 2003 A4 3.0l

I am unable to change the ECON setting on the heater control. Therefore the A/C will not kick in. The a/c unit was checked and all is fine. Someone told me it maybe a high or low pressure switch? The dealer told me to replace the control module in the dash. I am able to tunn the unit off and change the temp settings.

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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cadman000

Eric Heifetz

  • 607 Answers

SOURCE: the climate control system will not work in Auto

Your A/C system has lost its refrigerant, and will automatically go into "ECON" at that time. System will have to be leak tested , repaired, and recharged. Hope this helps.

Posted on Apr 09, 2009

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Anonymous

  • 19 Answers

SOURCE: 1996 cadillac deville-auto switches to econ when turning on air

i have a 96 DeVille that did the same thing. It means your coolant tank is almost empty. It switches automaticlly to preserve based upon temp readings.

Posted on May 16, 2009

alicantecoli

Colin Stickland

  • 22485 Answers

SOURCE: I turn off econ and now I can not turn on econ!

dealer only ,clima controled by computer

Posted on Jul 09, 2009

Anonymous

  • 1 Answer

SOURCE: My econ light remains on, on my 04 audi A4.

This is normally one of 3 problems:

1 - Refriant too low
2 - Pressure sensor faulty
3 - Climate Control Unit faulty

In order of cost -

1 - Re gas approx 49 pounds
2 - New sensor - 50 Pounds
3 - New climate control unit circa 700 pound

I have just had the same issue and after a re gas and new sensor it all works okay.

Posted on Apr 26, 2010

duane_wong

Duane Wong

  • 6826 Answers

SOURCE: I have a 1996 Cadillac Sedan DeVille. This spring...

If the a/c does not engage as a result of the electronic control system in your 1996 Cadillac, the climate control system may need to be replaced.

However, if the problem is being caused by low charge of R134a in the system, have the system charged before changing that electronic part.

I have never seen a Cadillac Climate Control System do this, which leads me to believe that it may be more electronic than refrigerant pressure related.

If the refrigerant pressure was low in the system, the climate control system should still stay on 'auto' mode, I think, and simply blow warm air.

Posted on Jul 03, 2010

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