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M3 Performance 2021 got cold gate problem with Panasonic battery

thinger

Member
Apr 21, 2020
112
41
Finland
TB has found out that M3 Performance 2021 with Panasonic new battery has cold gate issue. This means that when SoC is very low battery is getting too cold which cause power limit is coming in. And if SoC goes too low car go to limp mode. Which means that you can drive max 70-80km/h. Not at all highway speeds.


TB tested earlier LR 2021 but that was using LG battery and there wasn't similar issues when battery was cold.

LR 2021 test

Seems that octovalve is gathering too much heat from battery which is now causing issue.

TB also made test for charging and new Panasonic is lower than LG because there is less cobalt.

I see this as major problem in cold climate places.

Would be interesting to see if Tesla can make this better or not.
 

Gasaraki

Active Member
Oct 21, 2019
1,678
1,079
Syracuse, NY
Been discussed. Most likely this can (will) be fixed with software updates. Tell the octovalve to stop sucking so much heat from the batteries, have the battery charge faster, have the battery not throttle you when it's cold. All these settings are just software, Tesla felt this these settings were good for the car but if it turns out that they don't have to be that strict, they can change it.
 
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thinger

Member
Apr 21, 2020
112
41
Finland
Been discussed. Most likely this can (will) be fixed with software updates. Tell the octovalve to stop sucking so much heat from the batteries, have the battery charge faster, have the battery not throttle you when it's cold. All these settings are just software, Tesla felt this these settings were good for the car but if it turns out that they don't have to be that strict, they can change it.
Is here already topic for this?

Of course they can fix it if that is possible. Can that octovalve use example air and heat that up?
 

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