Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -rb08c0632119b7528085ae6357f12699e95114bf6 -ra4d76e86bb3d374373b531c5b794e1270c004167
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision b08c0632119b7528085ae6357f12699e95114bf6)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision a4d76e86bb3d374373b531c5b794e1270c004167)
@@ -212,6 +212,8 @@
  *************************************************************************/
 U32 transitionToTreatmentMode( void )
 {
+    PRESSURE_LIMIT_CHANGE_RESPONSE_T respRecord;
+
     if ( ( getTestConfigStatus( TEST_CONFIG_RECOVER_TREATMENT ) != TRUE ) || ( getPreviousOperationMode() != DG_MODE_FAUL ) )
     {
         // Initialize treatment mode each time we transition to it
@@ -233,6 +235,13 @@
     // Enable venous bubble detection in treatment mode
     setVenousBubbleDetectionEnabled( TRUE );
 
+    // Read back limits for transmit to UI.
+    respRecord.artPresLimitWindowmmHg     = getTreatmentParameterS32( TREATMENT_PARAM_ART_PRES_LIMIT_WINDOW );
+    respRecord.venPresLimitWindowmmHg     = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRES_LIMIT_WINDOW );
+    respRecord.venPresLimitAsymmetricmmHg = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRES_LIMIT_ASYMMETRIC );
+    // Send response
+    sendPressureLimitsChangeResponse( &respRecord );
+
     return currentTreatmentState;
 }