Index: MsgDefs.h
===================================================================
diff -u -rf102386cfd45204ff373d1a2ce9782eddfc44699 -r909f3498d27e64aa44eb572ea6cfb4fa98564c0e
--- MsgDefs.h	(.../MsgDefs.h)	(revision f102386cfd45204ff373d1a2ce9782eddfc44699)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 909f3498d27e64aa44eb572ea6cfb4fa98564c0e)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Jashwant Gantyada
-* @date    (last)      12-Feb-2026
+* @author  (last)      Varshini Nagabooshanam
+* @date    (last)      10-Mar-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -193,6 +193,8 @@
     MSG_ID_UI_ADJUST_START_TREATMENT_REQUEST = 0xA1,                                ///< UI adjust start treatment request
     MSG_ID_TD_ADJUST_START_TREATMENT_RESPONSE = 0xA2,                               ///< TD adjust start treatment response
     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.
 
     // service/test CAN messages
     MSG_ID_FIRST_TD_TESTER_MESSAGE = 0x8000,                                        ///< First TD test message ID