Tesla pulled back the 26.3 to 26.2 and the cooling problem has returned with high battery usage. AC compressor sounds like a jet turbine running wide open.Received 26.3 update last night for my ‘16 MS75.
The Airconditioning is now working great and the battery usage is much better - low 300’s compared to mid 400’s. Lots of sweating and talking to the Lexus dealer about going back to their products after much frustration.
UPDATE: like many others the update (.26) appeared to have fixed the problem for good. I haven't had a cutout in about 2 weeks
While not near as severe as some others have related here, my car on V2018.26 3bb STILL cuts out from time to time. I scroll wheel to LO and it usually fixes itself within a few minutes but not for more that 3 minutes or so at most.