diff --git a/config/hook_implementations.py b/config/hook_implementations.py
index 584de70..49a6726 100644
--- a/config/hook_implementations.py
+++ b/config/hook_implementations.py
@@ -123,6 +123,7 @@ class EiveHookObject(TmTcHookBase):
             "38": ("PLOC Supervisor: Factory reset clear all", {OpCodeDictKeys.TIMEOUT: 2.0}),
             "39": ("PLOC Supervisor: Factory reset clear mirror entries", {OpCodeDictKeys.TIMEOUT: 2.0}),
             "40": ("PLOC Supervisor: Factory reset clear circular entries", {OpCodeDictKeys.TIMEOUT: 2.0}),
+            "41": ("PLOC Supervisor: CAN loopback test", {OpCodeDictKeys.TIMEOUT: 2.0}),
         }
         service_ploc_supv_tuple = ("PLOC Supervisor", op_code_dict_srv_ploc_supv)
 
diff --git a/pus_tc/ploc_supervisor.py b/pus_tc/ploc_supervisor.py
index b9a11b4..eb8a9b0 100644
--- a/pus_tc/ploc_supervisor.py
+++ b/pus_tc/ploc_supervisor.py
@@ -277,6 +277,11 @@ def pack_ploc_supv_test_into(object_id: bytearray, tc_queue: TcQueueT, op_code:
         command = command = object_id + struct.pack('!I', SupvActionIds.FACTORY_RESET_CLEAR_CIRCULAR)
         command = PusTelecommand(service=8, subservice=128, ssc=55, app_data=command)
         tc_queue.appendleft(command.pack_command_tuple())
+    elif op_code == "41":
+        tc_queue.appendleft((QueueCommands.PRINT, "PLOC Supervisor: CAN loopback test"))
+        command = command = object_id + struct.pack('!I', SupvActionIds.CAN_LOOPBACK_TEST)
+        command = PusTelecommand(service=8, subservice=128, ssc=56, app_data=command)
+        tc_queue.appendleft(command.pack_command_tuple())
 
     return tc_queue