diff --git a/config/cmd_definitions.py b/config/cmd_definitions.py
index d00d2e2..d70a000 100644
--- a/config/cmd_definitions.py
+++ b/config/cmd_definitions.py
@@ -109,6 +109,36 @@ def add_pl_pcdu_cmds(cmd_dict: ServiceOpCodeDictT):
         keys=OpCodes.UPDATE_DRO_TO_X8_WAIT,
         info="Update DRO to X8 wait time",
     )
+    add_op_code_entry(
+        op_code_dict=op_code_dict,
+        keys=OpCodes.INJECT_SSR_TO_DRO_FAILURE,
+        info="Inject failure SSR to DRO transition"
+    )
+    add_op_code_entry(
+        op_code_dict=op_code_dict,
+        keys=OpCodes.INJECT_DRO_TO_X8_FAILURE,
+        info="Inject failure in DRO to X8 transition"
+    )
+    add_op_code_entry(
+        op_code_dict=op_code_dict,
+        keys=OpCodes.INJECT_X8_TO_TX_FAILURE,
+        info="Inject failure in X8 to TX transition"
+    )
+    add_op_code_entry(
+        op_code_dict=op_code_dict,
+        keys=OpCodes.INJECT_TX_TO_MPA_FAILURE,
+        info="Inject failure in TX to MPA transition"
+    )
+    add_op_code_entry(
+        op_code_dict=op_code_dict,
+        keys=OpCodes.INJECT_MPA_TO_HPA_FAILURE,
+        info="Inject failure in MPA to HPA transition"
+    )
+    add_op_code_entry(
+        op_code_dict=op_code_dict,
+        keys=OpCodes.INJECT_ALL_ON_FAILURE,
+        info="Inject failure in all on mode"
+    )
     add_service_op_code_entry(
         srv_op_code_dict=cmd_dict,
         name=CustomServiceList.PL_PCDU.value,
diff --git a/pus_tc/plpcdu.py b/pus_tc/plpcdu.py
index 4bb44c3..950eb2f 100644
--- a/pus_tc/plpcdu.py
+++ b/pus_tc/plpcdu.py
@@ -7,6 +7,7 @@ from tmtccmd.tc.service_200_mode import pack_mode_data, Modes, Subservices
 from tmtccmd.tc.service_20_parameter import (
     pack_scalar_double_param_app_data,
     pack_fsfw_load_param_cmd,
+    pack_boolean_parameter_app_data
 )
 from tmtccmd.utility.logger import get_console_logger
 from spacepackets.ecss.tc import PusTelecommand
@@ -20,8 +21,8 @@ class OpCodes:
     SWITCH_ALL_ON = ["1", "switch-all-on"]
     UPDATE_DRO_TO_X8_WAIT = ["2", "dro-to-x8-wait"]
     UPDATE_X8_TO_TX_WAIT_TIME = ["3", "x8-to-tx-wait"]
-    TX_TO_MPA_WAIT_TIME = ["4", "tx-to-mpa-wait"]
-    MPA_TO_HPA_WAIT_TIME = ["5", "mpa-to-hpa-wait"]
+    UPDATE_TX_TO_MPA_WAIT_TIME = ["4", "tx-to-mpa-wait"]
+    UPDATE_MPA_TO_HPA_WAIT_TIME = ["5", "mpa-to-hpa-wait"]
 
     INJECT_SSR_TO_DRO_FAILURE = ["6", "inject-ssr-dro-fault"]
     INJECT_DRO_TO_X8_FAILURE = ["7", "inject-dro-x8-fault"]
@@ -100,7 +101,29 @@ def pack_pl_pcdu_commands(tc_queue: TcQueueT, op_code: str):
             print_str="DRO to X8",
         )
     if op_code in OpCodes.UPDATE_X8_TO_TX_WAIT_TIME:
-        pass
+        pack_wait_time_cmd(
+            tc_queue=tc_queue,
+            param_id=ParamIds.X8_TO_TX_WAIT_TIME,
+            print_str="X8 to TX",
+        )
+    if op_code in OpCodes.UPDATE_TX_TO_MPA_WAIT_TIME:
+        pack_wait_time_cmd(
+            tc_queue=tc_queue,
+            param_id=ParamIds.TX_TO_MPA_WAIT_TIME,
+            print_str="TX to MPA",
+        )
+    if op_code in OpCodes.UPDATE_MPA_TO_HPA_WAIT_TIME:
+        pack_wait_time_cmd(
+            tc_queue=tc_queue,
+            param_id=ParamIds.MPA_TO_HPA_WAIT_TIME,
+            print_str="MPA to HPA",
+        )
+    if op_code in OpCodes.INJECT_ALL_ON_FAILURE:
+        pack_failure_injection_cmd(
+            tc_queue=tc_queue,
+            param_id=ParamIds.INJECT_ALL_ON_FAILURE,
+            print_str="All On"
+        )
 
 
 def request_wait_time() -> Optional[float]:
@@ -134,3 +157,15 @@ def pack_wait_time_cmd(tc_queue: TcQueueT, param_id: int, print_str: str):
     )
     cmd = pack_fsfw_load_param_cmd(ssc=0, app_data=param_data)
     tc_queue.appendleft(cmd.pack_command_tuple())
+
+
+def pack_failure_injection_cmd(tc_queue: TcQueueT, param_id: int, print_str: str):
+    tc_queue.appendleft((QueueCommands.PRINT, f"Inserting {print_str} error"))
+    param_data = pack_boolean_parameter_app_data(
+        object_id=PL_PCDU_ID,
+        domain_id=0,
+        unique_id=param_id,
+        parameter=True
+    )
+    cmd = pack_fsfw_load_param_cmd(ssc=0, app_data=param_data)
+    tc_queue.appendleft(cmd.pack_command_tuple())
diff --git a/tmtccmd b/tmtccmd
index 92ddfd6..81a8843 160000
--- a/tmtccmd
+++ b/tmtccmd
@@ -1 +1 @@
-Subproject commit 92ddfd607f19903adee7e3dfd3e88de20a09bfab
+Subproject commit 81a88435a52c8115a9f4349e307b252ebb2ebb85