Index: MsgDefs.h
===================================================================
diff -u -r92b0dd9b1a439644b38c1f77f6e75191764f728a -r57fc86514c26dc2a9d45f55696a19824385fadea
--- MsgDefs.h	(.../MsgDefs.h)	(revision 92b0dd9b1a439644b38c1f77f6e75191764f728a)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 57fc86514c26dc2a9d45f55696a19824385fadea)
@@ -195,6 +195,9 @@
     MSG_ID_UI_WATER_SAMPLE_RESULT_REQUEST = 0xA3,                                   ///< UI water sample result request
     MSG_ID_UI_PRESSURE_LIMIT_WIDEN_REQUEST = 0xA4,                                  ///< UI pressure limit widen request.
     MSG_ID_TD_PRESSURE_LIMIT_WIDEN_RESPONSE = 0xA5,                                 ///< TD pressure limit widen response.
+    MSG_ID_UI_RECIRCULATE_REQUEST = 0xA6,                                           ///< UI recirculate request
+    MSG_ID_TD_RECIRCULATE_RESPONSE = 0xA7,                                          ///< TD recirculate response
+    MSG_ID_TD_RECIRCULATE_DATA = 0xA8,                                              ///< TD recirculate data
 
     // service/test CAN messages
     MSG_ID_FIRST_TD_TESTER_MESSAGE = 0x8000,                                        ///< First TD test message ID
@@ -270,6 +273,8 @@
     MSG_ID_TD_BLOOD_PRIME_VOLUME_OVERRIDE = 0x8045,                                 ///< TD blood prime override.
     MSG_ID_TD_BLOOD_PRIME_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0x8046,               ///< TD blood prime publish interval broadcast override.
     MSG_ID_TD_ENABLE_VENOUS_BUBBLE_ALARM = 0x8047,                                  ///< TD enable venous bubble alarm.
+    MSG_ID_TD_NO_CART_SELF_TEST_PROGRESS_DATA = 0x8048,                             ///< TD No cart self test progress data
+    MSG_ID_TD_TUBE_SET_AUTHENTICATION_RESPONSE = 0x8049,                            ///< TD Tube set authentication response
 
     MSG_ID_FIRST_DD_TESTER_MESSAGE = 0xA000,                                        ///< First DD test message ID
     MSG_ID_DD_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DD_TESTER_MESSAGE,                ///< DD tester log-in
@@ -515,6 +520,8 @@
     REQUEST_REJECT_REASON_HEPARIN_PAUSE_INVALID_IN_THIS_STATE = 50,                 ///< Heparin cannot be paused if not currently deliverying Heparin
     REQUEST_REJECT_REASON_HEPARIN_NOT_PAUSED = 51,                                  ///< Heparin cannot be resumed if not paused
     REQUEST_REJECT_REASON_HEPARIN_VOLUME_EXCEEDS_10_ML = 52,                        ///< Heparin volume needed for treatment exceeds 10 mL maximum.
+    REQUEST_REJECT_REASON_TD_AUTHENTICATION_INVALID = 53,                           ///< TD authentication invalid
+    REQUEST_REJECT_REASON_TD_AUTHENTICATION_MODALITY_MISMATCH = 54,                 ///< TD authentication modality mismatch
     NUM_OF_REQUEST_REJECT_REASONS                                                   ///< Number of settings change reject codes
 };
 typedef enum Request_Reject_Reasons REQUEST_REJECT_REASON_CODE_T;                   ///< Type for settings change rejection reason codes enumeration