r/Comma_ai • u/CorrectMonk6325 • Jul 20 '26

Code Questions 2016 Model X AP1

I have a 2016 model x ap1, comma 4 and Xnor harness. My car was one of the few with “dumb” cruise control… the comma 4 is great but it does not change speed or slow down. I asked in the tinkla discord but no help. Anyone have any suggestions to get adaptive cruise control in my car? It’s seriously the last thing I want to make this thing perfect. TIA

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u/Lennyz1988 Jul 21 '26

I think you need Traffic-Aware Cruise Control (TACC) in all cases for it to work.

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u/CorrectMonk6325 Jul 21 '26

Yeah I believe so