Hello members of the repair forum,

I'm facing an issue with my MacBook A1989, where I encountered a short circuit on PP1V8_G3S for reasons unknown. After removing the audio amplifier and MIC, the resistance values returned to normal.

However, during testing, I found that attempting to enable Bluetooth yields no response. Bluetooth cannot be activated, and the PP1V8_G3S-to-ground resistance value is approximately 285. I suspect that PP1V8_G3S_WLANBT_VDDIO may, under certain conditions, exceed 1.8v, potentially causing damage to the Bluetooth module. I am considering replacing...