Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r0c66a3534801f2ba380e95b732e05b7cfee21772 -r2c08db070a6e09306caf461e7aceeb53097fd995
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 0c66a3534801f2ba380e95b732e05b7cfee21772)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 2c08db070a6e09306caf461e7aceeb53097fd995)
@@ -2310,14 +2310,14 @@
 
 /*************************************************************************
  * @brief
- * The handleSetDrainPumpTargetOutletPressure function handles a
- * request to set the drain pump outlet pressure.
+ * The handleSetDrainPumpTargetOutletFlowLPM function handles a
+ * request to set the drain pump outlet flow in L/min.
  * @details Inputs: none
  * @details Outputs: message handled
  * @param message a pointer to the message to handle
  * @return none
  *************************************************************************/
-void handleSetDrainPumpTargetOutletPressure( MESSAGE_T *message )
+void handleSetDrainPumpTargetOutletFlowLPM( MESSAGE_T *message )
 {
     BOOL result = 0;
 
@@ -2328,7 +2328,7 @@
 
         memcpy( &payLoad, message->payload, sizeof( F32 ) );
 
-        result = testSetTargetDrainPumpOutletPressure( payLoad );
+        result = testSetTargetDrainPumpOutletFlowLPM( payLoad );
     }
     /* respond to request */
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
@@ -4245,6 +4245,7 @@
     // respond to request
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
+
 /*********************************************************************//**
  * @brief
  * The handleTestDGFillIntegratedVolumeOverrideRequest function handles a request
@@ -4277,4 +4278,36 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleTestDGHeatersDutyCycleOverrideRequest function handles a request
+ * to override the heaters duty cycle
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleTestDGHeatersDutyCycleOverrideRequest( MESSAGE_T *message )
+{
+    TEST_OVERRIDE_ARRAY_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // verify payload length
+    if ( sizeof( TEST_OVERRIDE_ARRAY_PAYLOAD_T ) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof( TEST_OVERRIDE_ARRAY_PAYLOAD_T ) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetHeaterDutyCycleOverride( payload.index, payload.state.f32 );
+        }
+        else
+        {
+            result = testResetHeaterDutyCycleOverride( payload.index );
+        }
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/