diff --git a/pus_tc/system/tcs.py b/pus_tc/system/tcs.py
index 9fd1c3b..676cf42 100644
--- a/pus_tc/system/tcs.py
+++ b/pus_tc/system/tcs.py
@@ -1,8 +1,15 @@
+import enum
+
 from tmtccmd.tc import DefaultPusQueueHelper
 from tmtccmd.tc.pus_200_fsfw_modes import Modes
+from tmtccmd.tc.pus_3_fsfw_hk import (
+    make_sid,
+    generate_one_diag_command,
+    generate_one_hk_command,
+)
 
 from .common import command_mode
-from config.object_ids import TCS_BOARD_ASS_ID
+from config.object_ids import TCS_BOARD_ASS_ID, TCS_CONTROLLER
 
 
 class OpCodes:
@@ -12,14 +19,22 @@ class OpCodes:
 
 
 class Info:
-    REQUEST_ALL_TEMP_SET = "Request HK set of all temperatures"
+    REQUEST_SENSOR_TEMP_SET = "Request HK set of primary sensor temperatures"
     TCS_BOARD_ASS_NORMAL = "Switching TCS board assembly on"
     TCS_BOARD_ASS_OFF = "Switching TCS board assembly off"
 
 
+class SetIds(enum.IntEnum):
+    PRIMARY_SENSORS = 0
+    DEVICE_SENSORS = 1
+    SUS_TEMP_SENSORS = 2
+
+
 def pack_tcs_sys_commands(q: DefaultPusQueueHelper, op_code: str):
     if op_code in OpCodes.REQUEST_ALL_TEMP_HK:
-        pass
+        sensor_set_sid = make_sid(TCS_CONTROLLER, SetIds.PRIMARY_SENSORS)
+        q.add_log_cmd(Info.REQUEST_SENSOR_TEMP_SET)
+        q.add_pus_tc(generate_one_hk_command(sensor_set_sid))
     if op_code in OpCodes.TCS_BOARD_ASS_NORMAL:
         command_mode(
             object_id=TCS_BOARD_ASS_ID,