Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r23f44ccb07708bcb30cd07b249ab170163e86a2b -r8ddb7d51e6ab02591cb1c5692f62cfdf26ec7866
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 23f44ccb07708bcb30cd07b249ab170163e86a2b)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 8ddb7d51e6ab02591cb1c5692f62cfdf26ec7866)
@@ -1222,6 +1222,67 @@
 
 /*********************************************************************//**
  * @brief
+ * The sendPOSTTestResult function constructs an DG POST test result message
+ * and queues the msg for transmit on the appropriate CAN channel.
+ * @details Inputs: none
+ * @details Outputs: DG POST test result msg constructed and queued.
+ * @param test ID of DG POST test
+ * @param passed TRUE if POST test passed, FALSE if not
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL sendPOSTTestResult( DG_POST_STATE_T test, BOOL passed )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+    U32 testID = (U32)test;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_DG_POST_SINGLE_TEST_RESULT;
+    msg.hdr.payloadLen = sizeof( BOOL ) + sizeof( U32 );
+
+    memcpy( payloadPtr, &passed, sizeof( BOOL ) );
+    payloadPtr += sizeof( BOOL );
+    memcpy( payloadPtr, &testID, sizeof( U32) );
+
+    // 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_DG_BROADCAST, ACK_REQUIRED );
+
+    return result;
+
+}
+
+/*********************************************************************//**
+ * @brief
+ * The sendPOSTFinalResult function constructs an DG POST final result message
+ * and queues the msg for transmit on the appropriate CAN channel.
+ * @details Inputs: none
+ * @details Outputs: DG POST final result msg constructed and queued.
+ * @param passed TRUE if DG POST passed, FALSE if not
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL sendPOSTFinalResult( BOOL passed )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_DG_POST_FINAL_TEST_RESULT;
+    msg.hdr.payloadLen = sizeof( BOOL );
+
+    memcpy( payloadPtr, &passed, sizeof( BOOL ) );
+
+    // 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_DG_BROADCAST, ACK_REQUIRED );
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The sendCommandResponseMsg function constructs a command response to HD
  * and queues the msg for transmit on the appropriate CAN channel.
  * @details Inputs: none
@@ -2930,6 +2991,51 @@
 }
 
 /*********************************************************************//**
+ * @brief
+ * The handleUIClockSyncRequest function handles a UI clock sync message.
+ * @details Inputs: none
+ * @details Outputs: message handled, response constructed and queued for transmit.
+ * @param messagePtr pointer to the message to handle.
+ * @return none
+ *************************************************************************/
+void handleUIClockSyncRequest( MESSAGE_T *message )
+{
+    BOOL result = FALSE;
+    U32 rejReason = REQUEST_REJECT_REASON_NONE;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+
+    if ( message->hdr.payloadLen == sizeof( U32 ) )
+    {
+        U32 epoch;
+
+        memcpy( &epoch,  message->payload, sizeof( U32 ) );
+        result = setRTCEpoch( epoch );
+        if ( FALSE == result )
+        {
+            rejReason = REQUEST_REJECT_REASON_INVALID_DATE_OR_TIME;
+        }
+    }
+    else
+    {
+        rejReason = REQUEST_REJECT_REASON_INVALID_REQUEST_FORMAT;
+    }
+
+    // Create a response message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_DG_UI_SET_RTC_RESPONSE;
+    msg.hdr.payloadLen = sizeof( BOOL ) + sizeof( U32 );
+    memcpy( payloadPtr, &result, sizeof( BOOL ) );
+    payloadPtr += sizeof( BOOL );
+    memcpy( payloadPtr, &rejReason, sizeof( U32 ) );
+
+    // 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_DG_2_UI, ACK_REQUIRED );
+
+    sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_DG_2_UI, result );
+}
+
+/*********************************************************************//**
 * @brief
 * The handleSetDGCalibrationRecord function handles a request to set the DG
 * calibration data record.