Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r5990682f801986ab67bf7383dab54fdcfaf35b0c -rc75eec67d9af099ca27555bb9dd8d7187d9a0169
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 5990682f801986ab67bf7383dab54fdcfaf35b0c)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision c75eec67d9af099ca27555bb9dd8d7187d9a0169)
@@ -467,7 +467,7 @@
 BOOL sendDGParkConcentratePumpsCommand( void );
 
 // MSG_ID_DG_START_STOP_HEAT_DISINFECT
-BOOL sendDGStartHeatDisinfectModeCommand( BOOL start );
+BOOL sendDGStartHeatDisinfectActiveCoolModeCommand( BOOL start );
 
 // MSG_ID_DG_START_STOP_CHEM_DISINFECT
 BOOL sendDGStartChemicalDisinfectModeCommand( BOOL start );
@@ -547,7 +547,7 @@
 void handleSendChemFlushPassFailToDG( U32 status );
 
 // MSG_ID_DG_START_STOP_HEAT_DISINFECT_ACTIVE_COOL
-BOOL sendDGStopActiveCoolModeCommand( void );
+BOOL sendDGStopActiveCoolModeCommand( BOOL start );
 
 // MSG_ID_DG_START_STOP_RO_PERMEATE_SAMPLE_MODE_CMD_REQUEST
 BOOL sendDGStartStopDGROPermeateSampleModeCommand( BOOL start );
@@ -564,6 +564,9 @@
 // MSG_ID_UI_HD_RESET_IN_SERVICE_MODE_REQUEST
 void handleUIHDResetInServiceModeRequest( MESSAGE_T* message );
 
+// MSG_ID_DG_START_STOP_PASSIVE_COOL_HEAT_DISINFECT
+BOOL sendDGStartHeatDisinfectPassiveCoolModeCommand( BOOL start );
+
 // *********** public test support message functions **********
 
 // MSG_TESTER_LOG_IN