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Hi,
2019 Bolt owner here, thought I was one of the "lucky" ones since I wasn't part of the intitial recall. I'm using EngineLink to monitor the battery voltages and temps. Voltages have been fairly tight, I've been seeing deviations of 1-2mV, but haven't done a full charge in a while. With the recall I've been paying more attention to the temperatures. Today after charging completed at 6AM, the reported air temp was 14degC, and the cell temp readings were as follows:

Batt sec 1 temp: 21.00C
Batt sec 2 temp: 21.00C
Batt sec 3 temp: 23.00C
Batt sec 4 temp: 25.00C
Batt sec 5 temp: 21.00C
Batt sec 6 temp: 21.00C
Batt Coolant Temp 7: 17.00C

What should I make of this? The resolution appears to be 1degC. I've consistently observed the #4 sensor to read higher than the others. Should I be concerned?

Also, I haven't updated my PIDs in a while, have they been changed?

Thanks,
Jon
 

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What should I make of this? The resolution appears to be 1degC. I've consistently observed the #4 sensor to read higher than the others. Should I be concerned?
From another thread that shows #4 being located where the BMS resides. Totally normal for it to read higher there.
Recently I measured mine after a charge where #4 was 6C higher than the lowest cell reading.

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