diff --git a/config/tmtcc_object_ids.py b/config/tmtcc_object_ids.py
index 21e802c..80647f5 100644
--- a/config/tmtcc_object_ids.py
+++ b/config/tmtcc_object_ids.py
@@ -16,11 +16,12 @@ class ObjectIds(enum.Enum):
     P60DOCK_HANDLER_ID = auto()
     PDU1_HANDLER_ID = auto()
     PDU2_HANDLER_ID = auto()
+    PCDU_HANDLER = auto()
     ACU_HANDLER_ID = auto()
     TMP1075_1_HANDLER_ID = auto()
     TMP1075_2_HANDLER_ID = auto()
     HEATER = auto()
-    SOLAR_ARRAY_DEPLOYMENT_HANDLER = auto()
+    SOLAR_ARRAY_DEPLOYMENT = auto()
     SYRLINKS_HK_HANDLER = auto()
 
 
@@ -35,8 +36,9 @@ def set_object_ids(object_id_dict: Dict[ObjectIds, bytearray]):
          o_ids.ACU_HANDLER_ID: bytearray([0x44, 0x00, 0x00, 0x4]),
          o_ids.TMP1075_1_HANDLER_ID: bytearray([0x44, 0x00, 0x00, 0x5]),
          o_ids.TMP1075_2_HANDLER_ID: bytearray([0x44, 0x00, 0x00, 0x6]),
-         o_ids.HEATER: bytearray([0x54, 0x00, 0x00, 0x3]),
-         o_ids.SOLAR_ARRAY_DEPLOYMENT_HANDLER: bytearray([0x44, 0x00, 0x00, 0x8]),
+         o_ids.HEATER: bytearray([0x54, 0x00, 0x00, 0x1]),
+         o_ids.PCDU_HANDLER: bytearray([0x44, 0x00, 0x10, 0x00]),
+         o_ids.SOLAR_ARRAY_DEPLOYMENT: bytearray([0x44, 0x00, 0x10, 0x01]),
          o_ids.SYRLINKS_HK_HANDLER: bytearray([0x44, 0x00, 0x00, 0x9]),
          o_ids.INVALID: bytearray([0xFF, 0xFF, 0xFF, 0xFF]),
          }
diff --git a/pus_tc/tmtcc_syrlinks_hk_handler.py b/pus_tc/tmtcc_tc_syrlinks_hk_handler.py
similarity index 88%
rename from pus_tc/tmtcc_syrlinks_hk_handler.py
rename to pus_tc/tmtcc_tc_syrlinks_hk_handler.py
index cb266de..27971e1 100644
--- a/pus_tc/tmtcc_syrlinks_hk_handler.py
+++ b/pus_tc/tmtcc_tc_syrlinks_hk_handler.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """
-@file   tmtcc_tc_p60dock.py
-@brief  P60 Dock tests
+@file   tmtcc_tc_syrlinks_hk_handler.py
+@brief  Syrlinks Hk Handler tests
 @author J. Meier
 @date   13.12.2020
 """
@@ -9,7 +9,7 @@
 from tmtc_core.core.tmtc_core_definitions import QueueCommands
 from tmtc_core.pus_tc.tmtcc_pus_tc_packer import TcQueueT
 from tmtc_core.pus_tc.tmtcc_pus_tc_base import PusTelecommand
-from tmtc_core.pus_tc.tmtcc_tc_service_3_housekeeping import *
+from tmtc_core.pus_tc.tmtcc_tm_service3_base import *
 
 
 class SetIds:
diff --git a/pus_tm/tmtcc_pus_hk_handling.py b/pus_tm/tmtcc_pus_hk_handling.py
index 68444b9..feeaedb 100644
--- a/pus_tm/tmtcc_pus_hk_handling.py
+++ b/pus_tm/tmtcc_pus_hk_handling.py
@@ -7,31 +7,44 @@
 import struct
 from typing import Tuple
 
-from tmtc_core.pus_tm.tmtcc_pus_service_3 import Service3Base
+from config.tmtcc_object_ids import ObjectIds
+from tmtc_core.pus_tm.tmtcc_tm_service3_base import Service3Base
 from tmtc_core.utility.tmtcc_logger import get_logger
 from config.tmtcc_object_ids import ObjectIds
 
 LOGGER = get_logger()
 
 
-def handle_user_hk_packet(
-        object_id: bytearray, hk_data: bytearray,
-        service3_packet: Service3Base) -> Tuple[list, list, bytearray]:
+def handle_user_hk_packet(object_id: ObjectIds, set_id: int, hk_data: bytearray,
+                          service3_packet: Service3Base) -> Tuple[list, list, bytearray, int]:
     """
     This function is called when a Service 3 Housekeeping packet is received.
+
+    Please note that the object IDs should be compared by value because direct comparison of
+    enumerations does not work in Python. For example use:
+
+        if object_id.value == ObjectIds.TEST_OBJECT.value
+
+    to test equality based on the object ID list.
+
     @param object_id:
+    @param set_id:
     @param hk_data:
     @param service3_packet:
-    @return:
+    @return: Expects a tuple, consisting of two lists, a bytearray and an integer
+    The first list contains the header columns, the second list the list with
+    the corresponding values. The bytearray is the validity buffer, which is usually appended
+    at the end of the housekeeping packet. The last value is the number of parameters.
     """
     if object_id == ObjectIds.SYRLINKS_HK_HANDLER.value:
+        if set_id ==
         return handle_syrlinks_hk_data(hk_data)
     else:
         LOGGER.info("Service 3 TM: Parsing for this SID has not been implemented.")
         return [], [], bytearray(), 0
 
 
-def handle_syrlinks_hk_data(hk_data: bytearray) -> Tuple[list, list, bytearray, int]:
+def handle_syrlinks_rx_registers_dataset(hk_data: bytearray) -> Tuple[list, list, bytearray, int]:
     hk_header = []
     hk_content = []
     validity_buffer = bytearray()
@@ -49,4 +62,3 @@ def handle_syrlinks_hk_data(hk_data: bytearray) -> Tuple[list, list, bytearray,
                   rx_data_rate]
     validity_buffer.append(hk_data[26:])
     return hk_header, hk_content, validity_buffer, 8
-
diff --git a/tmtc_core b/tmtc_core
index 4b41bf4..c51a2ba 160000
--- a/tmtc_core
+++ b/tmtc_core
@@ -1 +1 @@
-Subproject commit 4b41bf458e9e724ad395afac537cad98adcba187
+Subproject commit c51a2ba18817c0dc7053ee6d7e15a00ef344b0ab