Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -ra1a0187daedaf2c12e6f9eccfbf9e423d952e029 -rbb537fcb845254413b204196ef14fa979b91a42b
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision a1a0187daedaf2c12e6f9eccfbf9e423d952e029)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision bb537fcb845254413b204196ef14fa979b91a42b)
@@ -3440,16 +3440,24 @@
 void handleHDUsageInfoRequest( MESSAGE_T *message )
 {
     MESSAGE_T msg;
-    U32 payload = 0; // TODO update this one implemented
+    HD_USAGE_INFO_RECORD_T usageRecord;
     U08 *payloadPtr = msg.payload;
 
+    getNVRecord2Driver( GET_USAGE_RECORD, (U08*)&usageRecord, sizeof( HD_USAGE_INFO_RECORD_T ), 0, ALARM_ID_NO_ALARM );
+
     // Create a message record
     blankMessage( &msg );
-    msg.hdr.msgID = MSG_ID_HD_USAGE_DATA;
-    msg.hdr.payloadLen = sizeof( U32 );
+    msg.hdr.msgID      = MSG_ID_HD_USAGE_DATA;
+    msg.hdr.payloadLen = sizeof( F32 ) + sizeof( F32 ) + sizeof( U32 ) + sizeof( U32 );
 
     // Fill message payload
-    memcpy( payloadPtr, &payload, sizeof( U32 ) );
+    memcpy( payloadPtr, &usageRecord.txTimeTotalHrs, sizeof( F32 ) );
+    payloadPtr += sizeof( F32 );
+    memcpy( payloadPtr, &usageRecord.txTimeSinceLastSrvcHrs, sizeof( F32 ) );
+    payloadPtr += sizeof( F32 );
+    memcpy( payloadPtr, &usageRecord.txLastStartTimeEpoch, sizeof( U32 ) );
+    payloadPtr += sizeof( U32 );
+    memcpy( payloadPtr, &usageRecord.lastResetTimeEpoch, sizeof( U32 ) );
 
     // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
     serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_2_UI, ACK_REQUIRED );