Index: firmware/App/Modes/OperationModes.c
===================================================================
diff -u -r838bd7060d127e6967559bc2b3998eac201bf738 -r05d1dea95ddc57c416a1bbf80ac442fc2e972d54
--- firmware/App/Modes/OperationModes.c	(.../OperationModes.c)	(revision 838bd7060d127e6967559bc2b3998eac201bf738)
+++ firmware/App/Modes/OperationModes.c	(.../OperationModes.c)	(revision 05d1dea95ddc57c416a1bbf80ac442fc2e972d54)
@@ -7,8 +7,8 @@
 *
 * @file    OperationModes.c
 *
-* @author  (last)      Varshini Nagabooshanam
-* @date    (last)      29-Jan-2026
+* @author  (last)      Raghu Kallala
+* @date    (last)      07-May-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -326,9 +326,9 @@
         case MODE_STAN:
             signalAlarmActionToStandbyMode( action );
             break;
-//        case MODE_PRET:
-//            signalAlarmActionToPreTreatmentMode( action );
-//            break;
+        case MODE_PRET:
+            signalAlarmActionToPreTreatmentMode( action );
+            break;
         case MODE_TREA:
             signalAlarmActionToTreatmentMode( action );
             break;
Index: firmware/App/Services/AlarmMgmtSWFaults.h
===================================================================
diff -u -r4aa103de34d50b66f86368da36412afcd45db49e -r05d1dea95ddc57c416a1bbf80ac442fc2e972d54
--- firmware/App/Services/AlarmMgmtSWFaults.h	(.../AlarmMgmtSWFaults.h)	(revision 4aa103de34d50b66f86368da36412afcd45db49e)
+++ firmware/App/Services/AlarmMgmtSWFaults.h	(.../AlarmMgmtSWFaults.h)	(revision 05d1dea95ddc57c416a1bbf80ac442fc2e972d54)
@@ -8,7 +8,7 @@
 * @file    AlarmMgmtSWFaults.h
 *
 * @author  (last)      Raghu Kallala
-* @date    (last)      29-Apr-2026
+* @date    (last)      30-Apr-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -186,6 +186,7 @@
     SW_FAULT_ID_TD_AIR_PUMP_DUTY_CYCLE_OUT_OF_RANGE = 155,
     SW_FAULT_ID_PI_CTRL_INVALID_CONTROLLER = 156,
     SW_FAULT_ID_INVALID_TREATMENT_MODALITY = 157,
+    SW_FAULT_ID_INVALID_DD_DIALYSATE_DATA = 158,
     NUM_OF_SW_FAULT_IDS
 } SW_FAULT_ID_T;
 
Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r4aa103de34d50b66f86368da36412afcd45db49e -r05d1dea95ddc57c416a1bbf80ac442fc2e972d54
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 4aa103de34d50b66f86368da36412afcd45db49e)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 05d1dea95ddc57c416a1bbf80ac442fc2e972d54)
@@ -8,7 +8,7 @@
 * @file    Messaging.c
 *
 * @author  (last)      Raghu Kallala
-* @date    (last)      06-Apr-2026
+* @date    (last)      30-Apr-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -106,6 +106,7 @@
     { MSG_ID_FW_VERSIONS_REQUEST,                                       &handleVersionRequestMessage },
     { MSG_ID_UI_CHECK_IN,                                               &handleUICheckIn },
     { MSG_ID_DD_OP_MODE_DATA,                                           &setDDOpMode },
+    { MSG_ID_DD_GEN_DIALYSATE_MODE_DATA,                                &setDialysateData },
     { MSG_ID_DD_PRESSURES_DATA,                                         &setDialysatePressure },
     { MSG_ID_UI_TREATMENT_PARAMS_TO_VALIDATE,                           &validateAndSetTreatmentParameters },
     { MSG_ID_UI_INITIATE_TREATMENT_WORKFLOW,                            &signalUserInitiateTreatment },