Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rea731c287a4e43901956aaa9a0009a5ee8f4671f -r2ef6269801df1d8323d807c4e56d39e129c8ad4b
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision ea731c287a4e43901956aaa9a0009a5ee8f4671f)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 2ef6269801df1d8323d807c4e56d39e129c8ad4b)
@@ -697,14 +697,13 @@
 BOOL sendTreatmentPeriodicDataToUI( TREATMENT_LOG_DATA_PERIODIC_T * periodDataPtr )
 {
     MESSAGE_T msg;
-    U08 *payloadPtr = msg.payload;
 
     // Create a message record
     blankMessage( &msg );
     msg.hdr.msgID = MSG_ID_HD_TREATMENT_LOG_PERIODIC_DATA;
     msg.hdr.payloadLen = sizeof( TREATMENT_LOG_DATA_PERIODIC_T );
 
-    memcpy( payloadPtr, periodDataPtr, sizeof( TREATMENT_LOG_DATA_PERIODIC_T ) );
+    memcpy( &msg.payload, periodDataPtr, sizeof( TREATMENT_LOG_DATA_PERIODIC_T ) );
 
     // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
     return serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_2_UI, ACK_REQUIRED );
@@ -1745,7 +1744,7 @@
 
     // Create a message record
     blankMessage( &msg );
-    msg.hdr.msgID = MSG_ID_DG_START_STOP_HEAT_DISINFECT;
+    msg.hdr.msgID = MSG_ID_DG_START_STOP_HEAT_DISINFECT_CMD;
     msg.hdr.payloadLen = sizeof( BOOL );
 
     memcpy( msg.payload, &start, sizeof( BOOL ) );