Index: firmware/App/Modes/ModeGenIdle.c
===================================================================
diff -u -r5c0c125cf0096613af3475388c970b5e16cc6b0e -r6ba61903be56ce79582fc9a31e0927df4dafee08
--- firmware/App/Modes/ModeGenIdle.c	(.../ModeGenIdle.c)	(revision 5c0c125cf0096613af3475388c970b5e16cc6b0e)
+++ firmware/App/Modes/ModeGenIdle.c	(.../ModeGenIdle.c)	(revision 6ba61903be56ce79582fc9a31e0927df4dafee08)
@@ -61,9 +61,9 @@
 static U32 hdLostCommStartTime_ms;                                                             ///< Lost communication with HD start time in ms.
 static U32 targetFillVolumeML;                                                                 ///< Save the target fill volume before calling startFillCmd().
 static BOOL handleBadFillFlag;                                                                 ///< Internal signal flag to handle bad fill.
-static OVERRIDE_U32_T badFillSubstatesPublishInterval = { BAD_FILL_SUBSTATES_PUB_INTERVAL,
-                                                          BAD_FILL_SUBSTATES_PUB_INTERVAL,
-                                                          0, 0 };                              ///< Interval (in ms) at which to publish bad fill sub-states to CAN bus.
+static OVERRIDE_U32_T genIdleDataPublicationTimerCounter = { BAD_FILL_SUBSTATES_PUB_INTERVAL,
+                                                             BAD_FILL_SUBSTATES_PUB_INTERVAL,
+                                                             0, 0 };                           ///< Interval (in ms) at which to publish bad fill sub-states to CAN bus.
 
 // ********** private function prototypes **********
 
@@ -427,18 +427,24 @@
  *************************************************************************/
 static void publishGenIdleSubstates()
 {
-    DG_GEN_IDLE_DATA_T data;
+    // publish Gen Idle pump data on interval
+    if ( ++genIdleDataPublicationTimerCounter >= getU32OverrideValue( &genIdleDataPublicationTimerCounter ) )
+    {
+        DG_GEN_IDLE_DATA_T data;
 
-    data.badFillSignal = (U32)handleBadFillFlag;
-    data.badFillState = (U32)badFillState;
-    data.genIdleState = (U32)getCurrentGenIdleState();
-    data.targetFillVolumemL = targetFillVolumeML;
+        // Populate the data structure for publication
+        data.badFillSignal = (U32)handleBadFillFlag;
+        data.badFillState = (U32)badFillState;
+        data.genIdleState = (U32)getCurrentGenIdleState();
+        data.targetFillVolumemL = targetFillVolumeML;
 
-    broadcastData( MSG_ID_DG_GEN_IDLE_DATA, COMM_BUFFER_OUT_CAN_DG_BROADCAST, (U08*)&data, sizeof( DG_GEN_IDLE_DATA_T ) );
+        broadcastData( MSG_ID_DG_GEN_IDLE_DATA, COMM_BUFFER_OUT_CAN_DG_BROADCAST, (U08*)&data, sizeof( DG_GEN_IDLE_DATA_T ) );
+
+        genIdleDataPublicationTimerCounter = 0;
+    }
 }
 
 
-
 /*************************************************************************
  *                       TEST SUPPORT FUNCTIONS
  *************************************************************************/
@@ -453,15 +459,15 @@
  * @param: value override bad fill sub-states publish interval with (in ms)
  * @return TRUE if override successful, FALSE if not
  *************************************************************************/
-BOOL testSetBadFillSubstatesPublishIntervalOverride( U32 value )
+BOOL testSetGenIdleSubstatesPublishIntervalOverride( U32 value )
 {
     BOOL result = FALSE;
 
     if ( TRUE == isTestingActivated() )
     {
         U32 intvl = value / TASK_GENERAL_INTERVAL;
-        badFillSubstatesPublishInterval.ovData   = intvl;
-        badFillSubstatesPublishInterval.override = OVERRIDE_KEY;
+        genIdleDataPublicationTimerCounter.ovData   = intvl;
+        genIdleDataPublicationTimerCounter.override = OVERRIDE_KEY;
         result = TRUE;
     }
 
@@ -476,14 +482,14 @@
  * @details Outputs: badFillSubstatesPublishInterval
  * @return TRUE if override reset successful, FALSE if not
  *************************************************************************/
-BOOL testResetBadFillSubstatesPublishIntervalOverride( void )
+BOOL testResetGenIdleSubstatesPublishIntervalOverride( void )
 {
     BOOL result = FALSE;
 
     if ( TRUE == isTestingActivated() )
     {
-        badFillSubstatesPublishInterval.override = OVERRIDE_RESET;
-        badFillSubstatesPublishInterval.ovData   = badFillSubstatesPublishInterval.ovInitData;
+        genIdleDataPublicationTimerCounter.override = OVERRIDE_RESET;
+        genIdleDataPublicationTimerCounter.ovData   = genIdleDataPublicationTimerCounter.ovInitData;
         result = TRUE;
     }
 
Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rd7fddd6292c7a23931cc94cc60b148580e792cf0 -r6ba61903be56ce79582fc9a31e0927df4dafee08
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision d7fddd6292c7a23931cc94cc60b148580e792cf0)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 6ba61903be56ce79582fc9a31e0927df4dafee08)
@@ -1208,6 +1208,10 @@
                 handleTestDrainPumpMeasuredCurrentOverride( message );
                 break;
 
+            case MSG_ID_DG_GEN_IDLE_PUBLISH_INTERVAL_OVERRIDE:
+                handleTestGenIdlePublishIntervalOverride( message );
+                break;
+
             default:
                 // TODO - unrecognized message ID received - ignore
                 break;
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rd7fddd6292c7a23931cc94cc60b148580e792cf0 -r6ba61903be56ce79582fc9a31e0927df4dafee08
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision d7fddd6292c7a23931cc94cc60b148580e792cf0)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 6ba61903be56ce79582fc9a31e0927df4dafee08)
@@ -3791,5 +3791,36 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleTestGenIdlePublishIntervalOverride function handles a request
+ * to override the gen idle state publish interval
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleTestGenIdlePublishIntervalOverride( MESSAGE_T * message )
+{
+    TEST_OVERRIDE_PAYLOAD_T payload;
+    BOOL result = FALSE;
 
+    // verify payload length
+    if ( sizeof( TEST_OVERRIDE_PAYLOAD_T ) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof( TEST_OVERRIDE_PAYLOAD_T ) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetGenIdleSubstatesPublishIntervalOverride( payload.state.u32 );
+        }
+        else
+        {
+            result = testResetGenIdleSubstatesPublishIntervalOverride();
+        }
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/
Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -rb935e1d4656c04dda9644800c8bf21bd89eee6ab -r6ba61903be56ce79582fc9a31e0927df4dafee08
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision b935e1d4656c04dda9644800c8bf21bd89eee6ab)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 6ba61903be56ce79582fc9a31e0927df4dafee08)
@@ -406,6 +406,9 @@
 // MSG_ID_DG_DRAIN_PUMP_CURRENT_OVERRIDE
 void handleTestDrainPumpMeasuredCurrentOverride( MESSAGE_T *message );
 
+// MSG_ID_DG_GEN_IDLE_PUBLISH_INTERVAL_OVERRIDE
+void handleTestGenIdlePublishIntervalOverride( MESSAGE_T * message );
+
 /**@}*/
 
 #endif