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Discussion Starter · #1 ·
Thank you very much "BPhillyC7." He just had his dashboard dusk light level solved through a dealership visit, specifically with four software lighting module updates for different car systems. With his permission, he is sharing his experience with all as follows.

"OK. Just got back from the dealer with the update. I have only driven the car a few miles so this review may be a little incomplete. I have attached the bulletin below. 4 lighting modules were updated. BCM-HVAC-RADIO and IPC.

1)The Instrument Cluster is much brighter. Very Nice. In daytime mode, you can not adjust the display luminescence level to the left of the steering wheel. This may have been the way it used to be as well (I never tested it in daytime before). Regardless, no issues whatsoever in daytime conditions.

2) It started to rain, so my lights toggled on and the display switched over to night mode. The transition was evident. It is 100% better than the old murky low light display. They did a very good job in recalibrating the brightness levels. Much, much better.

The light level knob to the left of the steering wheel is controllable in Night conditions and controls the Instrument Cluster as well as the Infotainment Screen smoothly and simultaneously. It has a wide range of movement all the way to complete dark / off.

3) The update will cause you to lose all of your radio presets. I spent a lot of time putting together and renaming 20 presets a few weeks ago. No problem...I will redo them tonight.

4) Your radio EQ and Balance will default back to normal.

5) My Vehicle Lighting preferences changed. No big deal. Already reset my Exit Lighting to my preferred mode (off).

6) Software update now indicates 23141791

7) My Driver Mode programming, HUD and Pocket Gauges had to be reset and Linked. No problem, took 1 minute when I got home.

Hope this helps you guys. I am very happy with the update. Nicely done!"

Here's his picture of his GM service order to help you further. Note in his write-up that you will need to re-set certain things, not others. Thanks again BPhillyC7!"

 

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Glad to hear there is a solution available. I sure hope it's already installed on recently built C7s, as we pick ours up at museum week after next.


Sent from my iPad using Corvette Stingray Forum
 

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Don't think I have the update. My instr. panel is very dim at night, even on the high position.
(Elegant.... what was the date of this update?)

Not good for an old guy.

Was told the fix..... "Old people aren't supposed to be driving at night anyway!":D:(:D

(ouch.... this is how I spent my 200th post? Sad!:( )
 
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Discussion Starter · #5 ·
BPhillyC7's update was done on Tuesday of this week. How soon before that it was implemented on all new cars going down the line is not known, though all cars going down the line at least this entire week have already had it done.

Suggest you call your dealer. Give him/her the software code, and ask them if that software upgrade, # 23141791, was done on your car.
 

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Discussion Starter · #6 ·
Another owner (thanks FrancisDGarcia) just reported an additional positive consequence from the software upgrade:

"I noticed that the climate control is more consistent after the flash. Before I had the Dim Cluster fix done, I had to consistently keep adjusting the thermostat between 75 and 81 degrees F to get a comfortable setting. Now, I'm leaving it set at around 68 degrees Fahrenheit like my other rides."
 

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How can you tell if the update is included with you delivery?
 

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Thanks much for your report and the TSB image. Just printed it for a trip to the dealer. They say they haven't yet worked on one, though they've delivered over 50! Really?
 

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How can you tell if the update is included with you delivery?
The easiest way is to notice what happens with your dash and screens when you go from day light to dusk driving. The original programing resulted in the screens being very dim during that transition and my understanding is that the update now has the screens with sufficient brightness that it is not an issue. Alternatively the next time you are in the dealership, have them pull up your cars record and it would indicate whether or not this campaign was done on your C7. All campaigns (software and hardware updates) are linked to your VIN.
 

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Read Phillys number 6 point
Find the software versions under setting
See if you have that number....
Good point. I just checked RedHot and it shows the software update 23141791.
 
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