Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -rc9df9f42e294adae397a57bf83c2a67fa831b164 -r7a7bf19d0cf16745566956f45cef57f8eb5df445
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision c9df9f42e294adae397a57bf83c2a67fa831b164)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 7a7bf19d0cf16745566956f45cef57f8eb5df445)
@@ -78,6 +78,8 @@
 
 static HD_PRE_TREATMENT_MODE_STATE_T currentPreTreatmentState;          ///< Current state of pre-treatment mode state machine.
 static U32 preTreatmentPublishTimerCounter;                             ///< Pre-treatment data broadcast timer counter used to schedule when to transmit data.
+/// Interval (in task intervals) at which to publish pre-treatment mode data to CAN bus.
+static OVERRIDE_U32_T preTreatmentModePublishInterval = { PRE_TREATMENT_DATA_PUB_INTERVAL, PRE_TREATMENT_DATA_PUB_INTERVAL, PRE_TREATMENT_DATA_PUB_INTERVAL, 0 };
 static U32 submodeCompleteTransitionTimeCounter;                        ///< Sub-mode completed transition wait time counter.
 
 static PRE_TREATMENT_RESERVOIR_MGMT_STATE_T currentReservoirMgmtState;  ///< Current pre-treatment reservoir management state.
@@ -415,7 +417,7 @@
 static void publishPreTreatmentState( void )
 {
     // Broadcast treatment time and state data at interval
-    if ( ++preTreatmentPublishTimerCounter >= PRE_TREATMENT_DATA_PUB_INTERVAL )
+    if ( ++preTreatmentPublishTimerCounter >= getU32OverrideValue( &preTreatmentModePublishInterval ) )
     {
         PRE_TREATMENT_STATE_DATA_T preTreatmentData;
 
@@ -1043,4 +1045,57 @@
     return state;
 }
 
+
+/*************************************************************************
+ *                       TEST SUPPORT FUNCTIONS
+ *************************************************************************/
+
+
+/*********************************************************************//**
+ * @brief
+ * The testSetPreTreatmentModePublishIntervalOverride function sets the override of the
+ * pre-treatment mode data publication interval.
+ * @details Inputs: none
+ * @details Outputs: preTreatmentModePublishInterval
+ * @param ms milliseconds between pre-treatment mode broadcasts
+ * @return TRUE if override set successful, FALSE if not
+ *************************************************************************/
+BOOL testSetPreTreatmentModePublishIntervalOverride( U32 ms )
+{
+    BOOL result = FALSE;
+
+    if ( TRUE == isTestingActivated() )
+    {
+        U32 intvl = ms / TASK_GENERAL_INTERVAL;
+
+        result = TRUE;
+        preTreatmentModePublishInterval.ovData = intvl;
+        preTreatmentModePublishInterval.override = OVERRIDE_KEY;
+    }
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The testResetPreTreatmentModePublishIntervalOverride function resets the override of the
+ * pre-treatment mode data publication interval.
+ * @details Inputs: none
+ * @details Outputs: preTreatmentModePublishInterval
+ * @return TRUE if override reset successful, FALSE if not
+ *************************************************************************/
+BOOL testResetPreTreatmentModePublishIntervalOverride( void )
+{
+    BOOL result = FALSE;
+
+    if ( TRUE == isTestingActivated() )
+    {
+        result = TRUE;
+        preTreatmentModePublishInterval.override = OVERRIDE_RESET;
+        preTreatmentModePublishInterval.ovData = preTreatmentModePublishInterval.ovInitData;
+    }
+
+    return result;
+}
+
 /**@}*/