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12.3V for sure?
Then bad communication between SMC and ISL6259.
Check voltage and diode mode to ground on SCL/SDA lines of battery bus.
Be sure to use original Apple charger, preferible 60W.
12.3V for sure?
Then bad communication between SMC and ISL6259.
Check voltage and diode mode to ground on SCL/SDA lines of battery bus.
Be sure to use original Apple charger, preferible 60W.