Turtle mode while charging

menzz

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I was charging the car in a 350kw charger and got that turtle sign on the dashboard.
Background: I charged at a 150kw charger at the beginning of the trip drove 3 hours on the highway and then pulled in for a second charge (arrival SOC was 22% and battery temp 94, using PIRM) I initiated the charge made sure it was working then went inside. Came back the car was at 77% SOC and battery temp at 131 F). I unplugged the cable and the turtle sign was no longer there and the car cooled down as I was driving. Outside temp is 55 degrees. Normal or should I worry?

Ironic tidbit, I’m charging now at EA station outside their HQ in VA and then station doesn’t support plug and charge.
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menzz

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Just to add the car was pulling 252 kw when it started charging.
 

W1NGE

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Just to add the car was pulling 252 kw when it started charging.
I had the turtle ? appear once during a 350kW session. Cold battery which got up to 32C from 2C and max rate of 106kW.

Turtle disappeared of its own accord during the session.

Last time I used one of these chargers was months ago and had random headlight control errors.

Something in these EVSEs that upsets the car's electronics temporarily.
 
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menzz

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I tried to replicate it again but this time I stayed in the car. It didn’t come again because battery temp stayed at around 121. I think the turtle mode was turned on because the battery temp got too high.
 

Ambroos

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I got the charging turtle today for the first time, while reaching a record high (for me) 56°C battery temperature. Charging speed got throttled down and the turtle disappeared once the battery dropped to 53°C (still while charging). I guess that's what you get for turning up at a charger with an already very hot battery!
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