Instrument Cluster failure issue (does not turn on and stays blank / dark)

[PrudentOcean]

Does holding volume button down just reboots the system vs a reset?

Correct. It just restarts the PCM without changing any settings.

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[daveo4EV]

Does holding volume button down just reboots the system vs a reset?

so got in the car this morning:

• started it as normal
• instrument dash functioning fine
• took me a few minutes to notice that the center screen & passenger display was "black"
• touching the screen made "blip" sounds - but no display
• shifting into reverse (when I got to where I was going) showed backup camera display as normal on center screen
• shifting into park screens went back to black
• opened the door and got the "getting out car Lock Screen" for 1/4 of a second
• locked the car and walked away for a few minutes
• came back to vehicle and got back in - center screen and passenger screen show "boot up logos" - take a while
• drop to black after boot logos

the volume button recovered both of the screens in less than 30 seconds (almost the moment I touched it) so I don't think I actually reset anything…

but I'm glad it's recovered - the driving instrument display was 100% functional the entire time

strange set of problems…

gotta love software.