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Blinking Climate Control Backlight

speedracercjr

By speedracercjr
in Troubleshooting & Recalls

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speedracercjr New Member

speedracercjr

Posted
Posted

Just noticed it this morning on my drive into work.  The air flow direction for the feet (don't know what else to call it) is blinking intermittently.  Is this something I can replace myself or is this a trip to the dealership?  I did a search online but all I can get is why the A/C light blinks and nothing about the backlight going out.  2017 GMC Sierra

 

Took a video of it also:  

 

 

 

JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
2 hours ago, speedracercjr said:

Just noticed it this morning on my drive into work.  The air flow direction for the feet (don't know what else to call it) is blinking intermittently.  Is this something I can replace myself or is this a trip to the dealership?  I did a search online but all I can get is why the A/C light blinks and nothing about the backlight going out.  2017 GMC Sierra

 

Took a video of it also:  

 

 

 

Welcome to the site.

 

Not an expert, but I have found if you stop the truck while weird things are happening, turn off the engine, remove key, and open drivers door, it will reset some issues.

 

One question is always, original battery? If so, you might want to have it checked out or replaced.

Or of course, you might just have a bad control panel that is going out.

speedracercjr New Member

speedracercjr

Posted
  • Author
Posted

Thanks!

 

Yes it's an original battery, didn't even think about it being an issue with it just being the one light only but I'll have it checked out regardless.

JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
54 minutes ago, speedracercjr said:

Thanks!

 

Yes it's an original battery, didn't even think about it being an issue with it just being the one light only but I'll have it checked out regardless.

You are very welcome.

 

The trucks do all kinds of weird things when they have a failing battery. They are basically rolling computers now and need a consistent charge to function properly. 

  • 6 months later...
davidsp101 Enthusiast

davidsp101

Posted
Posted

Ever find a solution to this?  Mine is doing this as well and the battery is not old or low on charge. 

  • 2 months later...
Koss9583 New Member

Koss9583

Posted
Posted

I’m having the same issue. I just replaced the battery about 2 weeks ago. I didn’t notice this until yesterday. It blinks for a few minutes intermittently or stays off for a bit but then comes on and stays on. Any ideas?

  • 4 months later...
  • 1 year later...
Bryan Henry New Member

Bryan Henry

Posted
Posted
On 7/18/2020 at 7:49 AM, davidsp101 said:

Ever find a solution to this?  Mine is doing this as well and the battery is not old or low on charge. 

Mine is doing the exact same thing and it's extremely annoying

 

newdude Senior Enthusiast

newdude

Posted
Posted
54 minutes ago, Bryan Henry said:

Mine is doing the exact same thing and it's extremely annoying

 

 

 

Needs a new HVAC control switch if you have the lights flickering on the buttons.  

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