Train radio com fault on Timsradio check tx and rx ok. Replaced TCI fault persist Train radio com fault in Tims ~~~~~ To replace CPU4 card (left side)  3518 refer to TRF 869/UPD/22. (S&C 23/08/2022)  Au TK 44796 358 Train radio com fault on Tims radio check tx and rx ok. Replaced TCI fault persist Train radio com fault in TIMS.  3518 swapped TRC4 card to #3517 : Fault persisted. Swapped CPU4 card from #3518 to #3517 : Fault transferred. Found CPU4 left side card faulty. OPS 20 raised to replace CPU4 (L/S card).  Aminur/Izzul 44793