Index: firmware/App/Modes/TreatmentStop.c
===================================================================
diff -u -r0a4dcd288d4347b85baaa0b07da568b6add5eac7 -r82b7c4c94b0f8b3f8a3d3d2e41384a7a7d497215
--- firmware/App/Modes/TreatmentStop.c	(.../TreatmentStop.c)	(revision 0a4dcd288d4347b85baaa0b07da568b6add5eac7)
+++ firmware/App/Modes/TreatmentStop.c	(.../TreatmentStop.c)	(revision 82b7c4c94b0f8b3f8a3d3d2e41384a7a7d497215)
@@ -218,6 +218,7 @@
  *************************************************************************/
 void execTreatmentStop( void )
 {
+    TREATMENT_STOP_STATE_T priorSubState = currentTxStopState;
     // Execute treatment stop sub-mode state machine
     switch ( currentTxStopState )
     {
@@ -242,6 +243,10 @@
             break;
     }
 
+    if ( priorSubState != currentTxStopState )
+    {
+        SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_SUB_STATE_CHANGE, priorSubState, currentTxStopState );
+    }
     // Broadcast treatment stop status
     publishTreatmentStopData();
 }