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Cluster LCD blank after SPS programming

William Pelletier
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William Pelletier New Member

William Pelletier

Posted
Posted

Hi Guys,

 

have an interesting issue... I had updated the programming in my Radio to resolve issues relating to intermittent no audio and chimes when I start the truck in the winter. That program was successful.

 

However, I had also sent an update to the instrument cluster which seems to have completed successfully, but I have no lcd screen or certain indicator lights that come on normally. Gauges work. I can communicate with the cluster otherwise. Steering wheel buttons do not work as a result as well.

 

The truck is a 2015 Sierra Crew cab with IO5 Level radio.

 

Wondering if anyone else came across this issue and knows how to resolve this...

  • 2 years later...
mikejeep Enthusiast

mikejeep

Posted
Posted (edited)

Came here to search the exact same issue with my 2016 Silverado 1500! I was having similar symptoms and used my VCX-NANO with SPS2 through Techline Connect to successfully reprogram a few modules last year with no issues at all. I was having ghost chimes, so I hooked it up again this week and saw the Instrument Cluster update available. It said it was successful, however only my gauges work. The DIC stays off, and I have no indicator lights at all except for the normal check engine light at startup.. no turn signal indicators, headlight indicators, etc. Cruise control are the only steering wheel buttons that work. I reflashed the calibration a few more times hoping it was a flashing issue, but nothing changes.

 

I am guessing that the latest Instrument Cluster calibration should not be flashed on all vehicles despite it appearing in Techline. I am aware that every TSB I have ever seen warns not to flash calibrations that aren't explicitly called for, but it's too late to undo that now. I'm going to try checking with local dealers, but is there a way I can flash the previous calibration version myself?

Edited by mikejeep
mikejeep Enthusiast

mikejeep

Posted
Posted

I was able to resolve this issue, sharing in case it helps someone in the future..

 

1) Instrument Cluster (IPC) updates need to be updated via USB after they are flashed. Thanks to William for the tip.

 

2) Some 2016 Chevrolet and GMC vehicles require an update to be flashed after the Android Auto upgrade (bulletin 16-NA-042) is completed to resolve USB update problems. Bulletin 16-NA-134 addresses this (see attached).

16-NA-134.pdf

  • Like 1
  • 2 months later...
Ap Hammer New Member

Ap Hammer

Posted
Posted

I'm experiencing this issue right now. Customer replaced their cluster on their 2014 Silverado but never programmed it to properly communicate with the BCM or other modules. Successfully performed the replace and program function, correcting the VIN on the new cluster. All codes within the cluster are gone and everything works fine, however center display is completely blank. As mentioned above, attempted to reprogram several times with no change. Disconnected battery for 20 minutes and reconnected, still no change. I noticed you mentioned a usb drive update and have looked everywhere to find the applicable usb update but no luck. I used SPS2 via Techline Connect on a Maxi Elite MDI for all programming. Alternatively I also used a Maxi JVCI, same issue persists. 

 

Also to note, the center display did function prior to reprogramming.

mikejeep Enthusiast

mikejeep

Posted
Posted
On 1/31/2025 at 6:56 PM, Ap Hammer said:

All codes within the cluster are gone and everything works fine, however center display is completely blank. As mentioned above, attempted to reprogram several times with no change. Disconnected battery for 20 minutes and reconnected, still no change. I noticed you mentioned a usb drive update and have looked everywhere to find the applicable usb update but no luck. I used SPS2 via Techline Connect on a Maxi Elite MDI for all programming.

 

I can check my laptop later for the specific steps/screens, but it's in SPS2.. one of the options is a USB update, it will prompt you to insert a blank USB memory stick into the computer, and then once it's downloaded you plug the USB stick into the truck and it applies the update.

mikejeep Enthusiast

mikejeep

Posted
Posted

@Ap Hammer Attached is a screenshot from Techline Connect showing the options you need to select to start the process for the USB update.

 

Cluster.png

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