Index: MsgDefs.h
===================================================================
diff -u -r7238f72393ddb8dd8bf835d56382060067c45153 -r67d164e409d8c8345b1e7846386d0ec98e981043
--- MsgDefs.h	(.../MsgDefs.h)	(revision 7238f72393ddb8dd8bf835d56382060067c45153)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 67d164e409d8c8345b1e7846386d0ec98e981043)
@@ -206,6 +206,7 @@
     MSG_ID_TD_TUBING_SET_BARCODE_SCAN_REQUEST = 0xAE,                               ///< TD tube set authentication request
     MSG_ID_TD_TUBE_SET_AUTHENTICATION_REQUEST = 0xAF,                               ///< UI tube set authentication acknowledge request
     MSG_ID_TD_TUBE_SET_AUTHENTICATION_ACK_RESPONSE = 0xB0,                          ///< TD tube set authentication acknowledge response
+    MSG_ID_DD_SUBSTITUTION_PUMP_DATA = 0xA9,                                        ///< DD substitution pump broadcast data.
 
     // service/test CAN messages
     MSG_ID_FIRST_TD_TESTER_MESSAGE = 0x8000,                                        ///< First TD test message ID
@@ -392,6 +393,8 @@
     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_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
@@ -410,7 +413,7 @@
     MSG_ID_FP_PRESSURE_SENSOR_FILTER_TEMPERATURE_OVERRIDE_REQUEST = 0xB00D,             ///< FP pressure sensor filter temperature override request
     MSG_ID_FP_PRESSURE_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xB00E,                      ///< FP pressures data publish interval override request
     MSG_ID_FP_LEVEL_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xB00F,                         ///< FP level data publish interval override request
-    MSG_ID_FP_FLOATER_LEVEL_OVERRIDE_REQUEST = 0xB010,                                  ///< FP override request for P25 floater level sensor.
+    MSG_ID_FP_FLOATER_LEVEL_OVERRIDE_REQUEST = 0xB010,                                  ///< FP override request for level sensor.
     MSG_ID_FP_FLOWS_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xB011,                         ///< FP flows data publish interval override request
     MSG_ID_FP_FLOW_RATE_OVERRIDE_REQUEST = 0xB012,                                      ///< FP override request for flow rate (mL/min)
     MSG_ID_FP_FLOW_TEMP_OVERRIDE_REQUEST = 0xB013,                                      ///< FP override request for flow temperature (deg C)