Radio com fault show on timsRadio checked with dc upd tx and rx ok. Data able to send and rx, TRCP able to change talkgroup. Checked TCI config TIMS enable. ~~~~~ Radio com fault show on tims Radio checked with dc upd tx and rx ok. Data able to send and rx, TRCP able to change talkgroup. Checked TCI config TIMS enable.  3522 checked on TIMS & found Radio com. fault. Swapped TCR4 card (TIMS) to another train & fault transferred. Awaiting for spare to replace TCR4 card (left).  Jervis 44469 To c/o TIMS TRC4 card (left) at 3522.  3522 replaced TCR4 card(left) with available spare. Function test - OK.    Fault cleared.  Kana 44470