Mahkus(@mahkus):Tesla posted a PCS1 to PCS2 Lite retrofit procedure in the service manual for those with older Model Ys (linked below) The part itself is around $1,750 dollars. I'd expect to pay dearly to get this retrofitted (that procedure is intense). Probably cheaper to buy a portable battery.

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Mahkus@mahkus

2026.08.16 01:15

Tesla posted a PCS1 to PCS2 Lite retrofit procedure in the service manual for those with older Model Ys (linked below) The part itself is around $1,750 dollars. I'd expect to pay dearly to get this retrofitted (that procedure is intense). Probably cheaper to buy a portable battery.