Index: firmware/App/Services/TDInterface.c
===================================================================
diff -u -rbd522c8ffdf75130571e5b6a79d1b1d6acd78b1c -ra183c6d91569ee07c9e944c989b67dc818a87941
--- firmware/App/Services/TDInterface.c	(.../TDInterface.c)	(revision bd522c8ffdf75130571e5b6a79d1b1d6acd78b1c)
+++ firmware/App/Services/TDInterface.c	(.../TDInterface.c)	(revision a183c6d91569ee07c9e944c989b67dc818a87941)
@@ -609,7 +609,96 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleTDRequestDDFlush function handles a DD flush request from TD.
+ * @details \b Inputs: none
+ * @details \b Outputs: DD flush request processed
+ * @param message Pointer to the received message
+ * @return TRUE if request is accepted, FALSE otherwise.
+ *************************************************************************/
+BOOL handleTDRequestDDFlush( MESSAGE_T *message )
+{
+    BOOL result = FALSE;
 
+    if ( message->hdr.payloadLen == sizeof(U32) )
+    {
+        BOOL startingDDFlush;
+
+        memcpy( &startingDDFlush, message->payload, sizeof(U32) );
+
+        if ( TRUE == startingDDFlush )
+        {
+            result = startDDFlush();
+        }
+        else
+        {
+            ;// DO nothing
+        }
+    }
+
+    // Respond to request
+    sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_DD_2_TD, result );
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The handleTDRequestDDHeatDisinfect function handles a DD heat disinfection
+ * request from TD.
+ * @details \b Inputs: none
+ * @details \b Outputs: DD heat disinfection request processed
+ * @param message Pointer to the received message
+ * @return TRUE if request is accepted, FALSE otherwise.
+ *************************************************************************/
+BOOL handleTDRequestDDHeatDisinfect( MESSAGE_T *message )
+{
+    BOOL status = FALSE;
+
+    if ( message->hdr.payloadLen == sizeof(U32) )
+    {
+        status = startDDHeatDisinfect( );
+    }
+
+    sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_DD_2_TD, status );
+
+    return status;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The handleTDRequestDDHeatDisinfectActiveCool function handles a DD heat
+ * disinfection active cool request from TD.
+ * @details \b Inputs: none
+ * @details \b Outputs: DD heat disinfection active cool request processed
+ * @param message Pointer to the received message
+ * @return TRUE if request is accepted, FALSE otherwise.
+ *************************************************************************/
+BOOL handleTDRequestDDHeatDisinfectActiveCool( MESSAGE_T *message )
+{
+    BOOL status = FALSE;
+
+    if ( message->hdr.payloadLen == sizeof(U32) )
+    {
+        BOOL startingDDHeatDisinfect;
+
+        memcpy( &startingDDHeatDisinfect, message->payload, sizeof(U32) );
+
+        if ( TRUE == startingDDHeatDisinfect )
+        {
+            status = startDDHeatDisinfectActiveCool( );
+        }
+        else
+        {
+            ;//do nothing
+        }
+    }
+
+    sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_DD_2_TD, status );
+
+    return status;
+}
 /*************************************************************************
  *                       TEST SUPPORT FUNCTIONS
  *************************************************************************/