Index: DDDefs.h
===================================================================
diff -u -ra6b36999a34b2be879e0847d958fe4a9a97d2967 -r33b6489320349181d22cd9c168e7eaeeec9472d8
--- DDDefs.h	(.../DDDefs.h)	(revision a6b36999a34b2be879e0847d958fe4a9a97d2967)
+++ DDDefs.h	(.../DDDefs.h)	(revision 33b6489320349181d22cd9c168e7eaeeec9472d8)
@@ -298,10 +298,10 @@
 /// Enumeration of available DD commands.
 enum DD_Command
 {
-    DD_CMD_NONE = 0,                           ///< Not a command
-    NUM_OF_DD_COMMANDS                         ///< Number of DD commands
+    DD_CMD_NONE = 0,                                ///< Not a command
+    NUM_OF_DD_COMMANDS                              ///< Number of DD commands
 };
-typedef enum DD_Command DD_COMMAND_T;          ///< Type for DD commands enumeration
+typedef enum DD_Command DD_COMMAND_T;               ///< Type for DD commands enumeration
 
 /// Enumeration of general commands to DD sub-system.
 enum DD_General_Commands
@@ -449,6 +449,9 @@
     P37_VALV,                                     ///< Valve (P37)
     P39_VALV,                                     ///< Valve (P39)
     P6_VALV,                                      ///< Valve (P6)
+    P3_VALV,                                      ///< Valve (P3)
+    P43_VALV,                                     ///< Valve (P43)
+    P48_VALV,                                     ///< Valve (P48)
     LAST_FP_VALVE = P6_VALV,                      ///< Last FP valve
     DD_NUM_OF_VALVES                              ///< Number of DD valves
 };
Index: MsgDefs.h
===================================================================
diff -u -r83ac225bfa686b4fd1a687c90487ce692e20c0bb -r33b6489320349181d22cd9c168e7eaeeec9472d8
--- MsgDefs.h	(.../MsgDefs.h)	(revision 83ac225bfa686b4fd1a687c90487ce692e20c0bb)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 33b6489320349181d22cd9c168e7eaeeec9472d8)
@@ -266,6 +266,8 @@
     MSG_ID_DD_NVM_SET_CAL_BICARB_CONCENTRATE_RESPONSE = 0x126,                       ///< DD NVM Set Bicarbonate Concentrate Calibration Record Response
     MSG_ID_DD_NVM_SET_CAL_ACCEL_SENSOR_RESPONSE = 0x127,                             ///< DD NVM Set Accelerometer Sensor Calibration Record Response.
     MSG_ID_DD_NVM_SET_CAL_BLOOD_LEAK_SENSOR_RESPONSE = 0x128,                        ///< DD NVM Set Blood Leak Sensor Calibration Record Response.
+    MSG_ID_TD_DD_REQUEST_SERVICE_RECORD_FROM_TD = 0x129,                             ///< TD request for DD service record information.
+    MSG_ID_TD_DD_USAGE_INFO_REQUEST = 0x12A,                                         ///< TD request for DD usage information.
 
     // service/test CAN messages
     MSG_ID_FIRST_TD_TESTER_MESSAGE = 0x8000,                                        ///< First TD test message ID
@@ -641,6 +643,11 @@
     REQUEST_REJECT_REASON_NVM_JOB_QUEUE_BUSY = 62,                                  ///< NVM Job queue is busy sending other records.
     REQUEST_REJECT_REASON_NVM_INVALID_CRC = 63,                                     ///< NVM received CRC of the record is invalid
     REQUEST_REJECT_REASON_NVM_INVALID_OPERATION_MODE = 64,                          ///< NVM Operation Mode is not Service mode.
+    REQUEST_REJECT_REASON_FP_BUSY = 65,                                             ///< Treatment cannot initiate if FP is busy
+    REQUEST_REJECT_REASON_FP_SERVICE_IS_DUE = 66,                                   ///< FP service is due
+    REQUEST_REJECT_REASON_DD_TEMPERATURE_OUT_OF_RANGE = 67,                         ///< DD temperature too high
+    REQUEST_REJECT_REASON_DD_BUSY = 68,                                             ///< Treatment cannot initiate if DD is busy
+    REQUEST_REJECT_REASON_REQUEST_ALREADY_PENDING = 69,                             ///< Reject if a treatment start request is already pending.
     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
Index: TDDefs.h
===================================================================
diff -u -r79ffe9681365f7e4821b8d2b1d0e2f02038a902a -r33b6489320349181d22cd9c168e7eaeeec9472d8
--- TDDefs.h	(.../TDDefs.h)	(revision 79ffe9681365f7e4821b8d2b1d0e2f02038a902a)
+++ TDDefs.h	(.../TDDefs.h)	(revision 33b6489320349181d22cd9c168e7eaeeec9472d8)
@@ -8,7 +8,7 @@
 * @file    TDDefs.h
 *
 * @author  (last)      Praneeth Bunne
-* @date    (last)      07-Aug-2026
+* @date    (last)      18-Aug-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -103,8 +103,8 @@
     STANDBY_START_STATE = 0,                                     ///< Start standby (home actuators).
     STANDBY_WAIT_FOR_TREATMENT_STATE,                            ///< Wait for treatment.
     STANDBY_WAIT_FOR_DISINFECT_STATE,                            ///< Wait for UI to send disinfect option.
-    STANDBY_WAIT_FOR_DG_CLEANING_MODE_CMD_RESPONSE_STATE,        ///< Wait for DD cleaning mode command response state.
-    STANDBY_WAIT_FOR_DG_CLEANING_MODE_TO_START_STATE,            ///< Wait for DD cleaning mode to start state.
+    STANDBY_WAIT_FOR_DD_CLEANING_MODE_CMD_RESPONSE_STATE,        ///< Wait for DD cleaning mode command response state.
+    STANDBY_WAIT_FOR_DD_CLEANING_MODE_TO_START_STATE,            ///< Wait for DD cleaning mode to start state.
     STANDBY_CLEANING_MODE_IN_PROGRESS_STATE,                     ///< Cleaning mode in progress state.
     NUM_OF_STANDBY_STATES                                        ///< Number of standby states (sub-modes).
 };