FWIW - it appears adding MTS to the SR5 is just a $130 switch swap. At least for one Tacoma user. A few others said that it didn't work when they plugged it in.
Adding MTS and Crawl Control to a TRD Sport - EASY! | 2024 Tacoma Forum (4th Gen) News, Specs, Models - 2.4L, Hybrid, TRD Pro...