Index: DGDefs.h
===================================================================
diff -u -r3735c57d16d49a53085e9e73a5f52bda7593633e -rd3f89a836ece4a21be2b9abfb244adfc4290357b
--- DGDefs.h	(.../DGDefs.h)	(revision 3735c57d16d49a53085e9e73a5f52bda7593633e)
+++ DGDefs.h	(.../DGDefs.h)	(revision d3f89a836ece4a21be2b9abfb244adfc4290357b)
@@ -272,6 +272,7 @@
     DG_CMD_STOP_FILL = 5,               ///< Command to request DG to stop fill
     DG_CMD_START_TRIMMER_HEATER = 6,    ///< Command to request DG to start trimmer heater
     DG_CMD_STOP_TRIMMER_HEATER = 7,     ///< Command to request DG to stop trimmer heater
+    DG_CMD_VALVE_SETTING = 8,           ///< Command to request DG to change valve settings
     NUM_OF_DG_COMMANDS                  ///< Number of DG commands
 };
 typedef enum DG_Command DG_COMMAND_T;   ///< Type for DG commands enumeration
Index: MsgDefs.h
===================================================================
diff -u -r930c6f3da0fefedbb692fc9fcf4359dc4678de01 -rd3f89a836ece4a21be2b9abfb244adfc4290357b
--- MsgDefs.h	(.../MsgDefs.h)	(revision 930c6f3da0fefedbb692fc9fcf4359dc4678de01)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision d3f89a836ece4a21be2b9abfb244adfc4290357b)
@@ -119,6 +119,7 @@
     MSG_ID_HD_TX_END_CMD_RESPONSE = 0x58,                               ///< HD end treatment sub-mode user request response
     MSG_ID_HD_BLOOD_PRIME_PROGRESS = 0x59,                              ///< HD broadcast of blood prime progress
     MSG_ID_HD_RECIRC_PROGRESS = 0x5A,                                   ///< HD broadcast of treatment re-circulate progress
+    MSG_ID_DG_CHANGE_VALVE_SETTING_CMD = 0x5B,                          ///< HD request to DG to change valve setting
 
 #ifdef EMC_TEST_BUILD
     MSG_ID_CAN_ERROR_COUNT = 0x999,  // test code in support of EMC testing