1505 HAVING TRANSMISSION COMMS. FAULT.   ~~~~~ 1505 HAVING TRANSMISSION COMMS. FAULT.  1505 found TRC4 PCB faulty. Replaced with new version TRC6 - Done. Function test - OK. 1505 TRC4 PCB S/N : OLD : CZ33325PZ NEW : DS43510P1  Afiq 43908