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Radio screen blackout

bigdeer1

By bigdeer1
in Troubleshooting & Recalls

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MistyMorning New Member

MistyMorning

Posted
Posted

GM greased me for labor $130 to diagnose the problem.  It’s the HMI module that all the wires connect to behind the glovebox.  It’s going to cost an additional 1200 to fix it.  $800 for the new module and then labor.  You can’t get one and do it yourself because it has to be coded by the dealer to your vin.  Otherwise it is useless per the dealership.  It is only warranties for 2 years and this occurrence is so common the part is back ordered.  GM would not order me a new one without full payment first.  The only other option is to go with an alpine aftermarket system but none the wiring harnesses fit and requires some engineering.  Further they wouldn’t tell me if the OnStar would work.  Kind of a sleazy way to make money Chevy/ GM.  What ever happened to making things GM tough and standing behind the quality of your products?  

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GMCustomerService
GMCustomerService

Our team regrets to hear of this screen concern you are experiencing and would like to take the time to learn more and assist. To get started, please send us an email to [email protected]. Be sure to

klrrdr
klrrdr

You can buy all the extended warranties you want. GM will just say that's the way it is supposed to be, and refuse to fix it. Then one of these GM monitors here will get involved and pretend to do som

Thomcat
Thomcat

Another post on this. It was supposed to be fixed in the '16s with a new HMI module, but my '16 screwed up the same way.   Brought mine back by pulling the RaDiO fuse in the passenger fuse bank whic

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scott.moody.9401 Enthusiast

scott.moody.9401

Posted
Posted
GM greased me for labor $130 to diagnose the problem.  It’s the HMI module that all the wires connect to behind the glovebox.  It’s going to cost an additional 1200 to fix it.  $800 for the new module and then labor.  You can’t get one and do it yourself because it has to be coded by the dealer to your vin.  Otherwise it is useless per the dealership.  It is only warranties for 2 years and this occurrence is so common the part is back ordered.  GM would not order me a new one without full payment first.  The only other option is to go with an alpine aftermarket system but none the wiring harnesses fit and requires some engineering.  Further they wouldn’t tell me if the OnStar would work.  Kind of a sleazy way to make money Chevy/ GM.  What ever happened to making things GM tough and standing behind the quality of your products?  
MVI can reprogram an HMI, plus unlock/enable other features

https://www.gm-navigation.com/product-category/accessories/programming-services/

Sent from my SM-T817V using Tapatalk

  • Thanks 1
J_Mas6.2 Enthusiast

J_Mas6.2

Posted
Posted
14 hours ago, MistyMorning said:

GM greased me for labor $130 to diagnose the problem.  It’s the HMI module that all the wires connect to behind the glovebox.  It’s going to cost an additional 1200 to fix it.  $800 for the new module and then labor.  You can’t get one and do it yourself because it has to be coded by the dealer to your vin.  Otherwise it is useless per the dealership.  It is only warranties for 2 years and this occurrence is so common the part is back ordered.  GM would not order me a new one without full payment first.  The only other option is to go with an alpine aftermarket system but none the wiring harnesses fit and requires some engineering.  Further they wouldn’t tell me if the OnStar would work.  Kind of a sleazy way to make money Chevy/ GM.  What ever happened to making things GM tough and standing behind the quality of your products?  

 

 Also WAMS (White Audio and Media) can reprogram used modules to work in your truck to save some money. Their customer service is top notch.

  • Thanks 1
MistyMorning New Member

MistyMorning

Posted
Posted

Pretty dishonest sales tactic used by GM dealership.  I’m pretty upset.  I’m going to contact an attorney about this.  GM reps / moderators, this is your opportunity to rectify this.  

davester Senior Enthusiast

davester

Posted
Posted (edited)
4 hours ago, MistyMorning said:

Pretty dishonest sales tactic used by GM dealership.  I’m pretty upset.  I’m going to contact an attorney about this.  GM reps / moderators, this is your opportunity to rectify this.  

What did they do that you are claiming is a "dishonest sales tactic"?  It sounds like your truck is out of warranty, you took it into a dealership and they gave you a number for how much it would cost to fix.  And it's certainly not unusual for a dealership or even other stores to ask for upfront payment for a very expensive part that isn't commonly replaced.

Edited by davester
  • 1 year later...
Slickwick New Member

Slickwick

Posted
Posted

I have a 2017 Silverado ltz and the screen went blank no buttons for it work and on the dash it says audio off even when I try in star there is no sound, but the lights still on chime works but nothing else need help?!?!?!?!

JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
1 hour ago, Slickwick said:

I have a 2017 Silverado ltz and the screen went blank no buttons for it work and on the dash it says audio off even when I try in star there is no sound, but the lights still on chime works but nothing else need help?!?!?!?!

Welcome to the site.

 

My two guesses would be your battery is getting old, losing power, or your HMI module has failed.

JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
3 minutes ago, Slickwick said:

Hmi module ?

The stereos in our trucks consist of the screen (a monitor) and the HMI module in the firewall behind the glove boxes.

Think of it as a home computer, you have the monitor, and then the desktop/laptop. The HMI controls all of the functions while the screen is just a display.

 

See the source image

  • Like 1
Slickwick New Member

Slickwick

Posted
Posted

Very helpful indeed thanks i have the dash all torn apart already just didn't know what It was called any incite on if I change it im sure it will need to be flashed ..... how much cash that would run me 

  • Thanks 1
JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
6 minutes ago, Slickwick said:

Very helpful indeed thanks i have the dash all torn apart already just didn't know what It was called any incite on if I change it im sure it will need to be flashed ..... how much cash that would run me 

Yes, needs to be reflashed, can buy one good to go, and sorry, no idea on price for either.

 

I would check with these guys, they are a vendor here on the site.

 

image.thumb.png.1cf0a7da2323854f24a7f7d355443a35.png

  • 6 months later...
John Deleo New Member

John Deleo

Posted
Posted (edited)

My touch screen worked this morning an hour later put it in drive then total blackout..

Edited by John Deleo
Touchscreen issue.
  • 1 year later...
Christine Bas New Member

Christine Bas

Posted
Posted

I’ve got a 2018 Sierra, and when we first bought it the screen would go black then come back on. Radio, Bluetooth, that still worked, but the backup camera wouldn’t come on. Now my screen has been black for two months. It hasn’t come back on at all, but the radio still works. You can’t hook up your phone, because there’s no way to access the Bluetooth without the screen. No backup camera at all, and the steering wheel controls and the buttons on the dash still work with the radio. If you have a phone hooked up, you can still make calls and accept them.  Just the screen is blacked out. I’ve been trying to figure out if that’s the harness, or just a fuse. I might try disconnecting the battery first. Considering everyone has similar problems with the infotainment, you would think GM could be held accountable, but money talks. 

  • 1 year later...
Don Lou New Member

Don Lou

Posted
Posted (edited)

I have a 2016 Sierra.
My screen is blacked out. It doesn’t come one. However, when I first crank the truck the radio will play for about 10 mins then it goes completely out as well. Where do I start? Replace the screen? Or the module in the dash?

Edited by Don Lou
More info

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