Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r11a668a2f4a0401eed544be570d9102d143b6f00 -r316cb40192e5d6be69682d5c9df01d890e2c213f
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 11a668a2f4a0401eed544be570d9102d143b6f00)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 316cb40192e5d6be69682d5c9df01d890e2c213f)
@@ -20,6 +20,7 @@
 #include "Bubbles.h"
 #include "Buttons.h"
 #include "DDInterface.h"
+#include "Messaging.h"
 #include "ModeService.h"
 #include "ModeTreatment.h"
 //#include "NVDataMgmt.h"
@@ -29,7 +30,6 @@
 #include "StateTxDialysis.h"
 #include "StateTxPaused.h"
 //#include "Switches.h"
-#include "SystemCommTD.h"
 #include "TaskGeneral.h"
 #include "Timers.h"
 #include "TxParams.h"
@@ -516,6 +516,35 @@
 
 /*********************************************************************//**
  * @brief
+ * The sendPressureLimitsChangeResponse function constructs a change
+ * pressure limits response to the UI and queues the msg for transmit on the
+ * appropriate CAN channel.
+ * @details Inputs: none
+ * @details Outputs: Pressure limits change response msg constructed and queued.
+ * @param data response data record
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL sendPressureLimitsChangeResponse( PRESSURE_LIMIT_CHANGE_RESPONSE_T *data )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_TD_PRESSURE_LIMITS_CHANGE_RESPONSE;
+    msg.hdr.payloadLen = sizeof( PRESSURE_LIMIT_CHANGE_RESPONSE_T );
+
+    memcpy( payloadPtr, (U08*)data, sizeof( PRESSURE_LIMIT_CHANGE_RESPONSE_T ) );
+
+    // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_TD_2_UI, ACK_REQUIRED );
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The handleTreatmentStartState function handles the Start state of
  * the Treatment Mode state machine.  Should only pass through this state
  * once at very beginning of treatment.