Index: firmware/App/Services/Reservoirs.c
===================================================================
diff -u -r4e11c80367b5ae522aa34fb137079e516c98831b -rda1f86ddf735623ba393ca809479157cd66c154c
--- firmware/App/Services/Reservoirs.c	(.../Reservoirs.c)	(revision 4e11c80367b5ae522aa34fb137079e516c98831b)
+++ firmware/App/Services/Reservoirs.c	(.../Reservoirs.c)	(revision da1f86ddf735623ba393ca809479157cd66c154c)
@@ -1067,4 +1067,32 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The testTareReservoir function tares a given reservoir.  It is assumed
+ * that the given reservoir has already been drained.
+ * @details Inputs: drainVolumeTargetMl
+ * @details Outputs: drainVolumeTargetMl
+ * @param value ID of reservoir to tare
+ * @return TRUE if tare successful, FALSE if not
+ *************************************************************************/
+BOOL testTareReservoir( U32 value )
+{
+    BOOL result = FALSE;
+
+    if ( TRUE == isTestingActivated() )
+    {
+        if ( value < NUM_OF_DG_RESERVOIRS )
+        {
+            result = TRUE;
+            tareLoadCellRequest = TRUE;
+            testSetReservoirDrainVolumeMlOverride( 0 );
+            tareLoadCellsAtEmpty( (DG_RESERVOIR_ID_T)value );
+            testResetReservoirDrainVolumeMlOverride();
+        }
+    }
+
+    return result;
+}
+
 /**@}*/