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Interesting, what are the temperatures in your area? Thank you all for your input. I'll schedule a service appointment. I am also thinking of just buying the part from tesla and replacing it myself. Does anyone know why these heaters fail? Should be a pretty simple part. Curious why if fails.

Hello all, recently I have noticed that my MS takes very long to charge when it is cold outside. I found out that the battery has a heater which gets it up to optimal temperature for charging and regen. I went into the service menu and ran the "Thermal System Test", which came up with some...