Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r660876bca7ae34f862ae9cc6feef9a30ec02fe94 -r03bd494bf7b7c96f79cf9b8bd0f99432982b9571
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 660876bca7ae34f862ae9cc6feef9a30ec02fe94)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 03bd494bf7b7c96f79cf9b8bd0f99432982b9571)
@@ -94,7 +94,6 @@
 U32 serializeMessage( MESSAGE_T msg, COMM_BUFFER_T buffer, BOOL ackReq )
 {
     BOOL result = 0;
-    BOOL error = FALSE;
     BOOL blocked = FALSE;
     U32 msgSize = 0;
     U32 sizeMod, sizePad;
@@ -167,17 +166,13 @@
             {
                 if ( FALSE == addMsgToPendingACKList( &msg, buffer, data, msgSize ) )
                 {
-                    error = TRUE;
-                    SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_SOFTWARE_FAULT, SW_FAULT_ID_MSG_PENDING_ACK_LIST_FULL )
+                    SET_ALARM_WITH_2_U32_DATA( ALARM_ID_HD_SOFTWARE_FAULT, SW_FAULT_ID_MSG_PENDING_ACK_LIST_FULL, (U32)(msg.hdr.msgID) )
                 }
             }
         }
 
-        if ( FALSE == error )
-        {
-            // Add serialized message data to appropriate out-going comm buffer
-            result = addToCommBuffer( buffer, data, msgSize );
-        }
+        // Add serialized message data to appropriate out-going comm buffer
+        result = addToCommBuffer( buffer, data, msgSize );
     }
     else
     {
@@ -3117,6 +3112,30 @@
 
 /*********************************************************************//**
  * @brief
+ * The sendFWVersionRequest function constructs a firmware version request
+ * message and queues the msg for transmit on the appropriate CAN channel.
+ * @details Inputs: none
+ * @details Outputs: Firmware version request msg constructed and queued.
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL sendFWVersionRequest( void )
+{
+    BOOL result;
+    MESSAGE_T msg;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_REQUEST_FW_VERSIONS;
+    msg.hdr.payloadLen = sizeof( UI_VERSIONS_T );  // usually UI sends this request w/ UI version info - we will leave that blank
+
+    // 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_2_DG, ACK_REQUIRED );
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The handleUIVersionResponse function handles a response to request for
  * UI version information.
  * @details Inputs: none