diff --git a/deps/tmtccmd b/deps/tmtccmd
index fbd39a2..229a2b5 160000
--- a/deps/tmtccmd
+++ b/deps/tmtccmd
@@ -1 +1 @@
-Subproject commit fbd39a2bd0a5b007c421aace1791029ddf98639d
+Subproject commit 229a2b5032b0c1becd93fe37f34ddc93a6b425c4
diff --git a/pus_tc/devs/plpcdu.py b/pus_tc/devs/plpcdu.py
index 1146415..637af9f 100644
--- a/pus_tc/devs/plpcdu.py
+++ b/pus_tc/devs/plpcdu.py
@@ -11,6 +11,8 @@ from tmtccmd.tc import DefaultPusQueueHelper
 from tmtccmd.tc.pus_3_fsfw_hk import (
     make_sid,
     generate_one_diag_command,
+    enable_periodic_hk_command_with_interval,
+    disable_periodic_hk_command,
 )
 from tmtccmd.tc.pus_11_tc_sched import (
     generate_enable_tc_sched_cmd,
@@ -40,7 +42,9 @@ class OpCodes:
     NORMAL_MPA = ["8", "nml_mpa"]
     NORMAL_HPA = ["9", "nml_hpa"]
 
-    REQ_OS_HK = ["8", "hk_os"]
+    ENABLE_HK = ["enable_hk"]
+    DISABLE_HK = ["disable_hk"]
+    REQ_OS_HK = ["hk_os"]
 
     INJECT_SSR_TO_DRO_FAILURE = ["10", "inject_ssr_dro_fault"]
     INJECT_DRO_TO_X8_FAILURE = ["11", "inject_dro_x8_fault"]
@@ -62,6 +66,8 @@ class Info:
     NORMAL_MPA = f"{NORMAL}, MPA on"
     NORMAL_HPA = f"{NORMAL}, HPA on"
     REQ_OS_HK = "Request One Shot HK"
+    ENABLE_HK = "Enable HK"
+    DISABLE_HK = "Disable HK"
 
 
 class SetIds(enum.IntEnum):
@@ -128,6 +134,7 @@ def add_pl_pcdu_cmds(defs: TmtcDefinitionWrapper):
     oce.add(keys=OpCodes.NORMAL_MPA, info=Info.NORMAL_MPA)
     oce.add(keys=OpCodes.NORMAL_HPA, info=Info.NORMAL_HPA)
     oce.add(keys=OpCodes.REQ_OS_HK, info=Info.REQ_OS_HK)
+    oce.add(keys=OpCodes.ENABLE_HK, info=Info.ENABLE_HK)
     oce.add(
         keys=OpCodes.INJECT_SSR_TO_DRO_FAILURE,
         info="Inject failure SSR to DRO transition",
@@ -157,6 +164,22 @@ def pack_pl_pcdu_commands(q: DefaultPusQueueHelper, op_code: str):
         pack_pl_pcdu_mode_cmd(q=q, info=Info.SWITCH_ON, mode=Modes.ON, submode=0)
     if op_code in OpCodes.SWITCH_OFF:
         pack_pl_pcdu_mode_cmd(q=q, info=Info.SWITCH_OFF, mode=Modes.OFF, submode=0)
+    if op_code in OpCodes.ENABLE_HK:
+        interval = float(
+            input("Please enter HK collection interval in floating point seconds: ")
+        )
+        cmds = enable_periodic_hk_command_with_interval(
+            diag=True, sid=make_sid(PL_PCDU_ID, SetIds.ADC), interval_seconds=interval
+        )
+        q.add_log_cmd(f"Enable PL PCDU HK with interval of {interval} seconds")
+        for cmd in cmds:
+            q.add_pus_tc(cmd)
+    if op_code in OpCodes.DISABLE_HK:
+        cmd = disable_periodic_hk_command(
+            diag=True, sid=make_sid(PL_PCDU_ID, SetIds.ADC)
+        )
+        q.add_log_cmd("Disabling PL PCDU HK")
+        q.add_pus_tc(cmd)
     if op_code in OpCodes.NORMAL_SSR:
         pack_pl_pcdu_mode_cmd(
             q=q,