Question about 1992 Oldsmobile Cutlass Supreme

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Electronic climate control has a mind of its own

When you start the car sometimes the climate control lights up and you can change the settings, somtimes you can't change anything and sometimes it remains blank but blows out hot air on at least medium to high fan speed. I have looked thru the allData sys and found a few things to test It seems I have power where I should no matter which way it is acting. yesterday it didn't ahve any codes stored in it. today it was throwing allmost every code(except the Serial Data code. and said it was 17*F out when it was near 80. THe thing just thinks on it's own. I think I need a new assembly where you push the buttons but alldata mentions a user interface thing under the dash that I cannot locate. Also the steering wheel buttong do nt work the stereo one did a few months back but now none of them do for either the stereo or the climate control.

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  • kenjeepman78 Jun 22, 2009


    The turn signals work fine it is the radio and temp control buttons that do not work. Or do the controls that have a plug inside the steering wheel get fed through the turn signal switch? Also the side/small horn buttonare are stuck on so I have them disconnected and only the big center of the pad connected so the horn still work. I forgot to mention that it is a 92' cutlass in the original post.

  • kenjeepman78 Jun 22, 2009

    Oh and the car has 40,500 miles on it very low mileage for the year.

  • Marvin
    Marvin May 11, 2010

    suggest u spend a few bucks on the live chat tion.



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The climate control head units go out in these cars with age. The steering wheel controls are probably losing conection. You can replace the turnsignal switch or gently bent the little copper prongs back up.

Posted on Jun 19, 2009


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