Index: MsgDefs.h
===================================================================
diff -u -rffe968d36207b80678a9fd77a834f48f7d3b5aed -r5a716241c9b37e1ca3572805323c8ec638242ea4
--- MsgDefs.h	(.../MsgDefs.h)	(revision ffe968d36207b80678a9fd77a834f48f7d3b5aed)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 5a716241c9b37e1ca3572805323c8ec638242ea4)
@@ -210,6 +210,7 @@
     MSG_ID_TD_HEPARIN_PAUSE_RESUME_RESPONSE= 0xB2,                                  ///< TD response to pause/resume Heparin delivery request
     MSG_ID_FFU_SIGNAL_TD_UPDATE_AVAILABLE = 0xB3,                                   ///< FFU signal TD update is available.
     MSG_ID_FFU_SIGNAL_DD_UPDATE_AVAILABLE = 0xB4,                                   ///< FFU signal DD update is available.
+    MSG_ID_DD_SUBSTITUTION_PUMP_DATA = 0xB5,                                        ///< DD substitution pump broadcast data.
 
     // service/test CAN messages
     MSG_ID_FIRST_TD_TESTER_MESSAGE = 0x8000,                                        ///< First TD test message ID
@@ -409,6 +410,9 @@
     MSG_ID_DD_BICART_UPPER_PRESSURE_OVERRIDE_REQUEST = 0xA06A,                          ///< DD bicarb cartridge upper threshold pressure override
     MSG_ID_DD_BICART_LOWER_PRESSURE_OVERRIDE_REQUEST = 0xA06B,                          ///< DD bicarb cartridge lower threshold pressure override
     MSG_ID_DD_FLOATER_LEVEL_OVERRIDE_REQUEST = 0xA06C,                                  ///< DD override request for D6 floater level override
+    MSG_ID_DD_SUBSTITUTION_PUMP_START_STOP_OVERRIDE_REQUEST = 0xA06D,                   ///< DD substitution pump start stop override request
+    MSG_ID_DD_SUBSTITUTION_PUMP_BROADCAST_OVERRIDE_REQUEST = 0xA06E,                    ///< DD substitution pump broadcast override request
+    MSG_ID_DD_SUBSTITUTION_PUMP_TARGET_SPEED_OVERRIDE_REQUEST = 0xA06F,                 ///< DD substitution pump target speed override request.
 
     MSG_ID_FIRST_FP_TESTER_MESSAGE = 0xB000,                                            ///< First FP test message ID
     MSG_ID_FP_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_FP_TESTER_MESSAGE,                    ///< FP tester log-in