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Thread: 2015 Stingray coupe temp. control module

  1. #1
    Join Date
    Mar 2013
    Location
    North Jersey
    Posts
    15

    Default 2015 Stingray coupe temp. control module

    Purchased a 2015 Stingray coupe a few weeks ago. Everything was good until yesterday.
    While driving I noticed drivers temp control knob went to 0 the passenger went to 99, all the indicator lights for all of the control buttons were blinking like an “equalizer”.
    All other controls worked fine, dash instruments were fine. Through all of this I still had A/C working.
    Any input appreciated
    Al
    VIN #1G1YC2D74F5103343.

    More confusion to add.... parked the car overnight went out in the am started her up an all was normal like it never happened.
    Last edited by Jersey Boy; 06-14-2020 at 11:26 AM.

  2. #2
    Join Date
    Dec 2011
    Location
    New Haven, Ct
    Posts
    930

    Default

    HI there,

    2015 did have a few program updates to different modules within the vehicle.

    I would start by having your selling dealer check for any program updates to the HVAC.

    The cycling of the power to the vehicle overnight can sometimes perform a reset of the module. This starts the programming from the beginning.

    Allthebest, Paul
    GM World Class Certified Service Technician.
    Like us on Facebook: www.facebook.com/corvettemechanic
    Twitter: www.twitter.com/GMvettemechanic

  3. #3
    Join Date
    Mar 2013
    Location
    North Jersey
    Posts
    15

    Default

    Thank you Paul I’ll give it a shot.

  4. #4
    Join Date
    Mar 2013
    Location
    North Jersey
    Posts
    15

    Default

    Figured I post my results:
    I took the car to the dealer, and even though they couldn’t duplicate the problem at that time, there was an update for the temperature control module.
    The car is out of warranty so I had to pay but it seems (so far) to have cured the issue.
    It’s been about a month now and haven’t had any issues.
    Thanks again Paul!

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