hello, just got my lhs back from my mechanic,due to a bad cycle accident in 2006 i cannot wrench anymore..my mode door is inop. my mech checked the actuator,and control head with no luck. with winter coming up i need to get it corrected so i can defrost windshield getting a code 24 from control head.heat and a/c work great just cannot direct airflow where needed. got the tsb stating to recalibrate the hvac cont. assy by removing m-1 fuse.which i'm not finding has anyone tried this did it work?