Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -rc169bd25120b664de7c55dff93951f48d21a8552 -r6e8e07edb4bb3f5bb387a88c37610722ff692b90
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision c169bd25120b664de7c55dff93951f48d21a8552)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 6e8e07edb4bb3f5bb387a88c37610722ff692b90)
@@ -127,6 +127,8 @@
     MSG_ID_DD_RINSE_PUMP_DATA = 0x69
     MSG_ID_UI_PRESSURE_LIMITS_CHANGE_REQUEST = 0x78
     MSG_ID_TD_PRESSURE_LIMITS_CHANGE_RESPONSE = 0x79
+    MSG_ID_UI_BOLUS_VOLUME_CHANGE_REQUEST = 0x81
+    MSG_ID_TD_BOLUS_VOLUME_CHANGE_RESPONSE = 0x82
     MSG_ID_DD_PISTON_PUMP_CONTROL_DATA = 0xF0
 
     MSG_ID_TD_TESTER_LOGIN_REQUEST = 0x8000
Index: leahi_dialin/ui/td_messaging.py
===================================================================
diff -u -raf0f6045652469b92b76d55c9584ef0f8cc66195 -r6e8e07edb4bb3f5bb387a88c37610722ff692b90
--- leahi_dialin/ui/td_messaging.py	(.../td_messaging.py)	(revision af0f6045652469b92b76d55c9584ef0f8cc66195)
+++ leahi_dialin/ui/td_messaging.py	(.../td_messaging.py)	(revision 6e8e07edb4bb3f5bb387a88c37610722ff692b90)
@@ -648,6 +648,27 @@
         self.can_interface.send(message, 0)
 
 
+    def td_bolus_volume_adjustment_response(self, vRejectionReason: int, vBolusVolume: int,):
+        """
+        the pressure limits adjustment response message method(Msg ID: 0x81, 123)
+        Args:
+            @param vRejectionReason         (int) : response rejection reason,
+                                                    if rejection reason is 0, then accepted (0) will be sent,
+                                                    otherwise rejected (1)
+            @param vBolusVolume             (int) : bolus volume (mL)
+        @return: None
+        """
+        payload  = conversions.integer_to_bytearray(1 if vRejectionReason == 0 else 0   )
+        payload += conversions.integer_to_bytearray(vRejectionReason                    )
+        payload += conversions.integer_to_bytearray(vBolusVolume                        )
+
+        message = CAN.DenaliMessage.build_message(
+            channel_id=CAN.DenaliChannels.td_to_ui_ch_id,
+            message_id=msg_ids.MsgIds.MSG_ID_TD_BOLUS_VOLUME_CHANGE_RESPONSE .value,
+            payload=payload)
+        self.can_interface.send(message, 0)
+
+
     def td_pressure_limits_adjustment_response(self, vRejectionReason: int,
         vArterialWindow: int, vVenousWindow: int, vVenousAsymmetricWindow: int, vTmpWindow: int):
         """