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Infotainment System - Blank Screen

gemsierra

By gemsierra
in Troubleshooting & Recalls

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gemsierra Enthusiast

gemsierra

Posted
Posted

I have a 2014 GMC Sierra with the infotainment system. The main screen went black yesterday but everything still worked you just couldn't see what was on then screen. I figured it was just a one time glitch because the system is known to do odd things like that. But it stayed blank when I shut it off for a while and even disconnected the battery for a while and still nothing. Has anyone else had this persistent issue or a similar one to it?

chuckl1218 Senior Enthusiast

chuckl1218

Posted
Posted

There is a software calibration for this that also fixes a lot of Bluetooth issues.

fishingfooltim Enthusiast

fishingfooltim

Posted
Posted

I have a 2014 myself and have had that happen 3 times so far. It usually comes back after a little bit. I am waiting for an oil change to tell the dealer. I hope the update also fixes the voice commands because 75% of the time it doesn't get it right and I try to speak as clearly as possible.

gemsierra Enthusiast

gemsierra

Posted
  • Author
Posted

Yeah I thought it would come back after a while to. Its been three days straight and I have disconnected the battery over night twice and the lcd has not come on at all. I think it might be more than just a software issue because i have had it black out before but it usually comes back on if you restart the vehicle. Im anxious to see what my dealer is going to have to say. And yes the voice command is usually a hit or miss with me to.

towerrigger Enthusiast

towerrigger

Posted
Posted

This just happened to my 15 today. Won't come back on at all. Have to see what dealer says. This truck has spent more time at the dealer than my last 6 trucks combined. Ridiculous.

  • 2 weeks later...
kevin_nj Enthusiast

kevin_nj

Posted
Posted

I had this happen on my '15 2500. First time it went out on Monday AM, stayed out through to Thursday when I got truck into the dealership. They said the reseated a connection and added dielectric grease. Went out again the following Monday morning. Tuesday morning it was working, took it into the shop anyway. The found a bulletin for "a similar problem" which involved adding one or more additional grounds to a BCM, they didn't go into details. While they didn't tell me or document it; I know they found an additional loose connection behind the dash. Banging on different parts of the dash would cause the display to come on/off.

Initially, the mechanic tried to blame my accessory switch box and aftermarket backup camera.

  • 4 weeks later...
nserafini Enthusiast

nserafini

Posted
Posted

New owner of a 2014 LT with the 8 inch infotaiment screen. As it's a used truck, i figured I would need to replace the cabin air filter. When I was done, I turned the truck over and had like you described - black touch screen, but I could press the screen and stuff would happen....

 

Removed lower glove box again, started truck and screen comes on. With it running, I put it back in and as I pushed in the lower left corner the screen went out. Seems like there's a harness in there that can get pinched. Totally weird, but totally happened!

 

Made sure to insert the box slowly and this time it stayed lit; so all good and no reason to go to the dealer and go crazy...

  • 1 month later...
dinda156 New Member

dinda156

Posted
Posted

I had this happen to me this summer. The 8" LCD display would go out completely at random. Only restarting the vehicle would correct the problem. The issue could not be reproduced on demand. Visited the dealer twice on this issue. They could not reproduce. So I took a pic of the issue with my iPhone to show the dealer. I also got GM customer service involved and they reached out to the dealer to figure out an action plan. They couldn't reproduce, yet they had the photo showing the LCD completely blank. The XM radio continued to function though through the steering wheel controls though the responsiveness of changing XM stations changed to 5-6 seconds lag time to go up / down 1 channel. The first trip into the dealer they reflashed the firmware, which the dealer stated was based on guidance from GM. The second visit they told me nothing was wrong, which is the point I complained to GM customer service. Who I must add they were extremely helpful in getting this resolved.

 

Ultimately, the GMC dealer replaced the 8" LCD display with a new unit.

 

The problem has not occured ever since and is completely resolved.

  • 2 years later...
Aboogie808 Enthusiast

Aboogie808

Posted
Posted
On 11/16/2015 at 11:44 AM, nserafini said:

New owner of a 2014 LT with the 8 inch infotaiment screen. As it's a used truck, i figured I would need to replace the cabin air filter. When I was done, I turned the truck over and had like you described - black touch screen, but I could press the screen and stuff would happen....

 

Removed lower glove box again, started truck and screen comes on. With it running, I put it back in and as I pushed in the lower left corner the screen went out. Seems like there's a harness in there that can get pinched. Totally weird, but totally happened!

 

Made sure to insert the box slowly and this time it stayed lit; so all good and no reason to go to the dealer and go crazy...

 

 

Just used this method and it worked. I too did my cabin filter and the screen went out. I started the truck and moved the wires around. Screen came back on. Thanks 

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