Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r2468e56fbecd26da713bc78535bd727f4b105fe1 -r30d2d3b2e9a4c45e1268aee02132da6d3d6d53d4
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 2468e56fbecd26da713bc78535bd727f4b105fe1)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 30d2d3b2e9a4c45e1268aee02132da6d3d6d53d4)
@@ -227,17 +227,25 @@
     MESSAGE_T msg;
     U08 *payloadPtr = msg.payload;
     U32 e = (U32)event;
+    // Convert the two data types enums to U32. The enums are interpreted as a U08 by the compiler
+    U32 dataType1 = (U32)dat1.dataType;
+    U32 dataType2 = (U32)dat2.dataType;
 
     // Create a message record
     blankMessage( &msg );
     msg.hdr.msgID = MSG_ID_DG_EVENT;
-    msg.hdr.payloadLen = sizeof( U32 ) + sizeof( EVENT_DATA_T ) * 2;
+    // The payload length is the event ID, 2 event datas and the events data types for each of the event datas
+    msg.hdr.payloadLen = sizeof( U32 ) + 2 * sizeof( EVENT_DATAS_T ) + 2 * sizeof( U32 );
 
     memcpy( payloadPtr, &e, sizeof( U32 ) );
     payloadPtr += sizeof( U32 );
-    memcpy( payloadPtr, &dat1, sizeof( EVENT_DATA_T ) );
-    payloadPtr += sizeof( EVENT_DATA_T );
-    memcpy( payloadPtr, &dat2, sizeof( EVENT_DATA_T ) );
+    memcpy( payloadPtr, &dataType1, sizeof( U32 ) );
+    payloadPtr += sizeof( U32 );
+    memcpy( payloadPtr, &dat1.data, sizeof( EVENT_DATAS_T ) );
+    payloadPtr += sizeof( EVENT_DATAS_T );
+    memcpy( payloadPtr, &dataType2, sizeof( U32 ) );
+    payloadPtr += sizeof( U32 );
+    memcpy( payloadPtr, &dat2.data, sizeof( EVENT_DATAS_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_DG_2_UI, ACK_NOT_REQUIRED );