Switch Lite charges but then stops after 5-10 secs

Hey all,

Trying to fix a switch lite with a weird issue. Wondering if you’ve seen this before?

When I initially plug in the charger, it will draw 0.4 A and I get the battery icon. However, after a 5-10 secs screen goes black and my amp meter shows 0V / 0A. Basically the amp meter goes black like the switch shorted it.

If I disconnect the battery and reattach, the same sequence repeats.
I checked the usbc port using a breakout board and diode values are good.

No shorts around M92 or BQ but replaced both with no change to the behaviour. Tried a different shell and battery but also no change.

Thinking it might be the fuel gauge but diode values around the components all measure good.

What do you think?