diff --git a/pus_tc/cmd_definitions.py b/pus_tc/cmd_definitions.py
index 37e4a8e..785698a 100644
--- a/pus_tc/cmd_definitions.py
+++ b/pus_tc/cmd_definitions.py
@@ -541,6 +541,8 @@ def add_ploc_mpsoc_cmds(cmd_dict: ServiceOpCodeDictT):
         "14": ("Ploc MPSoC: Mode replay", {OpCodeDictKeys.TIMEOUT: 2.0}),
         "15": ("Ploc MPSoC: Mode idle", {OpCodeDictKeys.TIMEOUT: 2.0}),
         "16": ("Ploc MPSoC: Tc cam command send", {OpCodeDictKeys.TIMEOUT: 2.0}),
+        "17": ("Ploc MPSoC: Set UART TX tristate" , {OpCodeDictKeys.TIMEOUT: 2.0}),
+        "18": ("Ploc MPSoC: Relesase UART TX", {OpCodeDictKeys.TIMEOUT: 2.0}),
     }
     service_ploc_mpsoc_tuple = ("Ploc MPSoC", op_code_dict_srv_ploc_mpsoc)
     cmd_dict[CustomServiceList.PLOC_MPSOC.value] = service_ploc_mpsoc_tuple
diff --git a/pus_tc/devs/ploc_mpsoc.py b/pus_tc/devs/ploc_mpsoc.py
index 9a39acb..85d8a9c 100644
--- a/pus_tc/devs/ploc_mpsoc.py
+++ b/pus_tc/devs/ploc_mpsoc.py
@@ -53,6 +53,8 @@ class CommandIds(enum.IntEnum):
     TC_MODE_REPLAY = 16
     TC_CAM_CMD_SEND = 17
     TC_MODE_IDLE = 18
+    SET_UART_TX_TRISTATE = 20
+    RELEASE_UART_TX = 21
 
 
 class MemAddresses(enum.IntEnum):
@@ -175,6 +177,16 @@ def pack_ploc_mpsoc_commands(
         command = object_id + struct.pack("!I", CommandIds.TC_CAM_CMD_SEND) + bytearray(cam_cmd, 'utf-8')
         command = PusTelecommand(service=8, subservice=128, ssc=32, app_data=command)
         tc_queue.appendleft(command.pack_command_tuple())
+    elif op_code == "17":
+        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Set UART TX tristate"))
+        command = object_id + struct.pack("!I", CommandIds.SET_UART_TX_TRISTATE)
+        command = PusTelecommand(service=8, subservice=128, ssc=33, app_data=command)
+        tc_queue.appendleft(command.pack_command_tuple())
+    elif op_code == "18":
+        tc_queue.appendleft((QueueCommands.PRINT, "PLOC MPSoC: Release UART TX"))
+        command = object_id + struct.pack("!I", CommandIds.RELEASE_UART_TX)
+        command = PusTelecommand(service=8, subservice=128, ssc=33, app_data=command)
+        tc_queue.appendleft(command.pack_command_tuple())
 
     return tc_queue
 
diff --git a/pus_tc/devs/ploc_supervisor.py b/pus_tc/devs/ploc_supervisor.py
index c3d1d93..2113d4c 100644
--- a/pus_tc/devs/ploc_supervisor.py
+++ b/pus_tc/devs/ploc_supervisor.py
@@ -769,7 +769,7 @@ def get_debug_verbosity() -> int:
 
 
 def pack_set_gpio_cmd(object_id: bytearray) -> bytearray:
-    port = int(input("Specify port : 0x"), 16)
+    port = int(input("Specify port: 0x"), 16)
     pin = int(input("Specify pin: 0x"), 16)
     val = int(input("Specify val: 0x"), 16)
     command = object_id + struct.pack("!I", SupvActionIds.SET_GPIO)