Index: leahi_dialin/fp/modules/levels.py
===================================================================
diff -u -rd9c41496bfba02f66b6b38a8ecae8c017f160235 -ra286de55ce0a6fd3388ddcd68d6c9aecd00a2500
--- leahi_dialin/fp/modules/levels.py	(.../levels.py)	(revision d9c41496bfba02f66b6b38a8ecae8c017f160235)
+++ leahi_dialin/fp/modules/levels.py	(.../levels.py)	(revision a286de55ce0a6fd3388ddcd68d6c9aecd00a2500)
@@ -46,15 +46,15 @@
 
         if self.can_interface is not None:
             channel_id = DenaliChannels.fp_sync_broadcast_ch_id
-            msg_id = MsgIds.MSG_ID_FP_LEVEL_DATA.value
-            self.can_interface.register_receiving_publication_function(channel_id, msg_id, self._handler_levels_sync)
+            self.msg_id_fp_level_data = MsgIds.MSG_ID_FP_LEVEL_DATA.value
+            self.can_interface.register_receiving_publication_function(channel_id, self.msg_id_fp_level_data, self._handler_levels_sync)
 
         self.fp_levels = {
             FPFloaterLevelSensorNames.P25_LEVEL.name: 0
         }
         self.fp_levels_timestamp = 0
 
-    @publish(["fp_levels_timestamp",
+    @publish(["msg_id_fp_level_data", "fp_levels_timestamp",
                 "fp_levels",])
     def _handler_levels_sync(self, message, timestamp=0.0):
         """