As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE FLYING WITH AUTO PILOT ENGAGED, THE AUTO-TRIM SYSTEM (MISS-TRIM) LIGHT COMES ON AND THE SYSTEM IS UNABLE TO CORRECT THIS SITUATION THUS DISENGAGES THE AUTOPILOT AFTER A SHORT PERIOD OF TIME. CESSNA HAS BEEN MADE AWARE OF THE PROBLEM AND STATES THERE SHOULD BE A FIX AVAILABLE SOON. THIS PROBLEM ONLY HAPENS AT HIGH SPEED CRUISE AND/OR AT THE TOP END OF A CLIMB.