Understanding SMC Panic Assertion Failed codes

Hello!

I'm not sure what error code I'm getting, it shows as follows:

ASSERTION FAILED: target\/d27\/target.cpp:266: 0, SMC BSC failure, spreadsheet ver(*10) 40\nS.sensor array 0 - 4 is 0x0, 0x40000000

My understanding is:

0x40000 is the charger port flex

0x400000 is the wireless charging flex

But I'm getting 0x40000000. What's this? I can't seem to find it anywhere else.

Update (04/01/24)

Bump. The phone's stuck in a reboot loop and every loop generates this panic. Any help appreciated, at this point just trying to keep the phone on long enough to back up the data.

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@flannelist you are the Guru on this stuff. You got anything up your sleeve to help the OP with this?

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This one might need some math. Could be related to multiple parts, @petitepata72947 what preceded the boot loop? Is it damaged in any way?

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No damage that I can tell in any way, no.

Preceding the loop, it took a full charge, and the next day as the battery was getting low (but not yet sub 20%) it turned off. When it turned back on, it displayed the unable to verify genuine battery message, 0% battery, and would no longer charge.

When plugged in or in wireless charging, it vibrates but does not display the charging.

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