🌡️ Tested: Did Rivian Fix Charging Thermal Issues in 2023.2.3? With CAN Data!

[branden]

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[TXR1S]

TLDW?

 

[Dark-Fx]

TLDW?

"It's better but they still have more work to do"

One thing I haven't yet done is hook up my CAN sniffer to the truck. Maybe I should.

 

[branden]

TLDW?

I included graphs…

 

[Dark-Fx]

I included graphs…

I can't listen to it with audio right now, have you shared how you're getting the CAN data for the pack temperatures?

 

[branden]

I can't listen to it with audio right now, have you shared how you're getting the CAN data for the pack temperatures?

Via CANserver and Tes⸱LAX, but it’s not a publicly available solution yet.

 

[WSea]

Wow, save a whole minute! /s
Why won't they turn on cooling earlier?? Seems like a simple solution
Thanks Branden! Interesting stuff

 

[Donald Stanfield]

I don't even know enough about EV's to know what this means. What are you even comparing here?

 

[branden]

Wow, save a whole minute! /s
Why won't they turn on cooling earlier?? Seems like a simple solution
Thanks Branden! Interesting stuff

They’re likely concerned about making the temperate gradient worse - hotter cells getting hotter and cooler cells getting cooler.

 

[branden]

I don't even know enough about EV's to know what this means. What are you even comparing here?

This is a pretty technical video, but essentially I’m comparing the charge taper curve between new and old software and how they’re managing the heat of charging. New software is marginally better.

 

[Marchin_MTB]

Still, it’s interesting data, even if the update didn’t change things much. Thanks for posting @branden .

 

[Donald Stanfield]

This is a pretty technical video, but essentially I’m comparing the charge taper curve between new and old software and how they’re managing the heat of charging. New software is marginally better.

Ah. Thanks.

 

[Dark-Fx]

They’re likely concerned about making the temperate gradient worse - hotter cells getting hotter and cooler cells getting cooler.

Have you been able to tell if they are circulating coolant prior to flipping on the chiller?

Your presumption would certainly explain why my truck has had more problems with pack temperature during charges in the extreme cold.

 

[branden]

Have you been able to tell if they are circulating coolant prior to flipping on the chiller?

Your presumption would certainly explain why my truck has had more problems with pack temperature during charges in the extreme cold.

Not currently, but would like to have pump duty cycle data and inlet temp data.

 

[WSea]

They’re likely concerned about making the temperate gradient worse - hotter cells getting hotter and cooler cells getting cooler.

Do you plan to do another test on an EA 150/175 unit?

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