Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r1cefdd82890709898ba4f5c8d8d93db1e650bec0 -re2cf7feff54dad3fc5be72619fa64b5421fc6f9f
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 1cefdd82890709898ba4f5c8d8d93db1e650bec0)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision e2cf7feff54dad3fc5be72619fa64b5421fc6f9f)
@@ -7,8 +7,8 @@
 *
 * @file    SystemCommMessages.c
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      25-Aug-2023
+* @author  (last)      Vinayakam Mani
+* @date    (last)      30-Aug-2023
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -1719,6 +1719,30 @@
 
 /*********************************************************************//**
  * @brief
+ * The sendDGParkConcentratePumpsCommand function constructs a DG concetentrate
+ * pumps park request msg to the DG and queues the msg for transmit on the appropriate CAN channel.
+ * @details Inputs: none
+ * @details Outputs: DG park concentrate pumps command msg constructed and queued..
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL sendDGParkConcentratePumpsCommand( void )
+{
+    BOOL result;
+    MESSAGE_T msg;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_DG_PARK_CONCENTRATE_PUMPS_CMD_REQUEST;
+    msg.hdr.payloadLen = 0;
+
+    // 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 sendDGStartFlushModeCommand function constructs a DG start/stop
  * flush mode command message and queues the msg for transmit on the
  * appropriate CAN channel.
@@ -5420,7 +5444,7 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
-/*************************************************************************
+/*********************************************************************//**
  * @brief
  * The handleSetSwitchesStatusOverrideRequest function handles a
  * request to override the status of a switch in HD.
@@ -5452,7 +5476,7 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
-/*************************************************************************
+/*********************************************************************//**
  * @brief
  * The handleTestSwitchesPublishIntervalOverrideRequest function handles a
  * request to override the the switches data publish interval.