Tesla's CCS Combo 1 Adapter page now shows availability of the retrofit for Model 3 and Model Y for $350.
I haven't found any discussion of this and am not sure when the it became available. I'm considering this for my late-2021 MYLR - one of the MYs that was made with the "stripped" ECU without CCS support. More charging options can't be a bad thing!
CCS Combo 1 Adapter
Expand your fast charging options with the Tesla CCS Combo 1 Adapter. The adapter offers charging speeds up to 250kW and can be used at third-party charging networks. The CCS Combo 1 Adapter is compatible with most Tesla vehicles. Some vehicles may require a retrofit to enable use of the CCS...
shop.tesla.com
I haven't found any discussion of this and am not sure when the it became available. I'm considering this for my late-2021 MYLR - one of the MYs that was made with the "stripped" ECU without CCS support. More charging options can't be a bad thing!