C-6 Temperature control blinking
Thread Starter
Instructor
Joined: Jun 2011
Posts: 244
Likes: 26
From: Carmel, Indiana
C-6 Temperature control blinking
Don't know right question to search this so here it is, temp control panel on my 09 C-6 started blinking tried everything except disconnecting the battery and restart, any Ideas? all the controls work on it heating cooling, on off, restarted the car ran through DIC and options no luck?
Thread Starter
Instructor
Joined: Jun 2011
Posts: 244
Likes: 26
From: Carmel, Indiana
Hey all I just restarted my car and the temperature control panel display is back to normal, I'm wondering if putting a greenhouse cover on my car when it was in the Sun if it through off the controls somehow, I know that sounds like a stretch but that's all I can think of.
Racer
Joined: Jul 2011
Posts: 435
Likes: 5
From: Sublimity OR
I have no answers 
just question.......did the light start blinking when you first started the car? OR was it while driving, and what did the temperature gauge show?
My 2006 just cost me $89 to get the "smog" light to go out.
just question.......did the light start blinking when you first started the car? OR was it while driving, and what did the temperature gauge show?My 2006 just cost me $89 to get the "smog" light to go out.
Thread Starter
Instructor
Joined: Jun 2011
Posts: 244
Likes: 26
From: Carmel, Indiana
we didn't notice when the light started to blink until 5 minutes into our drive. Never thought to look at the temp gauge. Both are good questions but all is fine now if it happens again I will check the gauges and answer back, thanks.
Burning Brakes
Joined: Aug 2010
Posts: 1,194
Likes: 76
From: Great River NY
Don't know right question to search this so here it is, temp control panel on my 09 C-6 started blinking tried everything except disconnecting the battery and restart, any Ideas? all the controls work on it heating cooling, on off, restarted the car ran through DIC and options no luck?
Search "HVAC blinking".
Last edited by SouthBaySurfer; May 3, 2015 at 07:30 AM.
Tech Contributor
Joined: Sep 2008
Posts: 10,954
Likes: 261
From: Greensboro NC
2015 C6 of the Year Finalist
Mine did that on and off for a couple of days a couple of years ago. I was expecting it to go bad but to my surprise, it hasn't done it again since then. Weird! 
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Racer
Joined: Jan 2014
Posts: 294
Likes: 5
From: Central NY
My HVAC control unit failed about 3x last year and I was always able to fix it by pulling the fuse and then putting it back in. Well it went last week and re-set itself after I turned off the car. This morning it happened again and this time it would not re-set at all. Just ordered a new one for $285. It's not worth the hassle anymore and the heat is coming.