Here is a thread with the TSB - https://www.jeepgladiatorforum.com/forum/threads/your-stock-rubicon-diesel-jt-bottoming-out-here%E2%80%99s-the-fix.55752/
I am very new to the forum, but isn’t this is an issue with all EcoDiesel suspensions? I think there is quite the discussion going and even a TSB related to it? Says to replace the shocks and jounces on the Rubicon Diesel