Index: firmware/App/Services/MsgQueues.h
===================================================================
diff -u -rd91a24c730aeb5cd7e3eba9ef4eca78e442911f8 -ref25ad960d479d1237d8b6e844941b6680a8edc0
--- firmware/App/Services/MsgQueues.h	(.../MsgQueues.h)	(revision d91a24c730aeb5cd7e3eba9ef4eca78e442911f8)
+++ firmware/App/Services/MsgQueues.h	(.../MsgQueues.h)	(revision ef25ad960d479d1237d8b6e844941b6680a8edc0)
@@ -31,7 +31,7 @@
 
 // ********** public definitions **********
 
-#define MAX_MSG_PAYLOAD_SIZE          100               ///< bytes
+#define MAX_MSG_PAYLOAD_SIZE          250               ///< bytes
 
 /// Enumeration of message queues.
 typedef enum Msg_Queues
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r7218f3c5a0afef9ebbf47655a00f37fc2eefd0f9 -ref25ad960d479d1237d8b6e844941b6680a8edc0
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 7218f3c5a0afef9ebbf47655a00f37fc2eefd0f9)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision ef25ad960d479d1237d8b6e844941b6680a8edc0)
@@ -3405,8 +3405,24 @@
 
     if ( 0 == message->hdr.payloadLen )
     {
-        // TODO - call TBD function in NVDataMgmt to send calibration data
-        result = FALSE;
+        CALIBRATION_DATA_T cal;
+        MESSAGE_T msg;
+        U08 *payloadPtr = msg.payload;
+
+        // get calibration data
+        result = getCalibrationData( &cal );
+        if ( TRUE == result )
+        {
+            // create a message record
+            blankMessage( &msg );
+            msg.hdr.msgID = MSG_ID_HD_CALIBRATION_DATA;
+            msg.hdr.payloadLen = sizeof( CALIBRATION_DATA_T );
+
+            memcpy( payloadPtr, &cal, sizeof( CALIBRATION_DATA_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_HD_BROADCAST, ACK_NOT_REQUIRED );
+        }
     }
 
     // respond to request
Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r5e77f78c5dee9dfb441bd5d2053f7f4ac50dc619 -ref25ad960d479d1237d8b6e844941b6680a8edc0
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 5e77f78c5dee9dfb441bd5d2053f7f4ac50dc619)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision ef25ad960d479d1237d8b6e844941b6680a8edc0)
@@ -19,7 +19,8 @@
 #define __SYSTEM_COMM_MESSAGES_H__
 
 #include "HDCommon.h"
-#include "MsgQueues.h"
+#include "MsgQueues.h"
+#include "NVDataMgmt.h"
 #include "DialOutFlow.h"
 #include "DGInterface.h"
 #include "PresOccl.h"