An Pixel XL phone shutdown by itself

Based on the provided logcat it seems like the shutdown is initiated by the healthd that manages for example the battery status:

healthd : battery l=63 v=3913 t=72.7 h=3 st=2 c=5 chg=u

This line contains two values of interest:

1. h=3 is the battery health value and the value 3 means BATTERY_HEALTH_OVERHEAT.


2. t=72.7 is the battery temperature in Celsius. This value is quite high taking it as temperature in Celsius as Android does. Hence I would assume that the battery provides the temperature in Fahrenheit but the device expects a Celsius value and therefore thinks that the battery temperature is very high. The default shutdown temperature in Android is 68°C.

What I not really understand is that all healthd message contain the h=3 value even if the temperature is lower. May be this value also reflects past temperature states.

Note: Internally Android does not directly use the temperature in Celsius, instead it uses Centigrade (Celsius * 10).

At the moment I would recommend to do the following test: Pack your phone into a water proof box and place it for some minutes in he refrigerator (make sure you use the part that has more than 0°C, you just want to cool down the device not freeze it!).
Then get it out of the fridge and start it, and measure the run-time until it shuts down. The time should be larger than before.