Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rc414ee882e06359e06b48b1939a90784ae028aa5 -r766708fceb0bdf1af8c7897df29d4f5036bfd3db
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision c414ee882e06359e06b48b1939a90784ae028aa5)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 766708fceb0bdf1af8c7897df29d4f5036bfd3db)
@@ -571,7 +571,7 @@
  * tared after draining
  * @return TRUE if msg successfully queued for transmit, FALSE if not
  *************************************************************************/
-BOOL sendDGDrainCommand( DRAIN_RESERVOIR_CMD_PAYLOAD_T *payload )
+BOOL sendDGDrainCommand( DRAIN_RESERVOIR_CMD_PAYLOAD_T *drainCmdPtr )
 {
     BOOL result;
     MESSAGE_T msg;
@@ -582,7 +582,7 @@
     msg.hdr.msgID = MSG_ID_DG_DRAIN_CMD;
     msg.hdr.payloadLen = sizeof( DRAIN_RESERVOIR_CMD_PAYLOAD_T );
 
-    memcpy( payloadPtr, payload, sizeof( DRAIN_RESERVOIR_CMD_PAYLOAD_T ) );
+    memcpy( payloadPtr, drainCmdPtr, sizeof( DRAIN_RESERVOIR_CMD_PAYLOAD_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_2_DG, ACK_REQUIRED );
@@ -1402,14 +1402,12 @@
  *************************************************************************/
 void handleLoadCellReadingsFromDG( MESSAGE_T *message )
 {
-    BOOL result = FALSE;
-
     if ( message->hdr.payloadLen == sizeof(LOAD_CELL_READINGS_PAYLOAD_T) )
     {
         LOAD_CELL_READINGS_PAYLOAD_T payload;
 
         memcpy( &payload, message->payload, sizeof(LOAD_CELL_READINGS_PAYLOAD_T) );
-        result = setNewLoadCellReadings( payload.res1PrimaryLoadCell, payload.res1BackupLoadCell, payload.res2PrimaryLoadCell, payload.res2BackupLoadCell );
+        setNewLoadCellReadings( payload.res1PrimaryLoadCell, payload.res1BackupLoadCell, payload.res2PrimaryLoadCell, payload.res2BackupLoadCell );
     }
     // TODO - what to do if invalid payload length?
     // TODO - how to know if DG stops sending these?
@@ -2069,10 +2067,6 @@
         setDGOpMode( mode, subMode );
         checkInFromDG();  // TODO - here until we implement DG check-in w/ HD broadcast
     }
-    else
-    {
-        sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_HD_2_DG, FALSE );
-    }
 }
 
 /*********************************************************************//**