Index: firmware/App/Services/TDInterface.c
===================================================================
diff -u -r6e36d2fd90b130f540494f4128951d81e7dc5ed5 -r333e2d0c0462dcb4343a279420949cce716ebab7
--- firmware/App/Services/TDInterface.c	(.../TDInterface.c)	(revision 6e36d2fd90b130f540494f4128951d81e7dc5ed5)
+++ firmware/App/Services/TDInterface.c	(.../TDInterface.c)	(revision 333e2d0c0462dcb4343a279420949cce716ebab7)
@@ -44,7 +44,7 @@
 static TD_OP_MODE_T tdCurrentOpMode;                                        ///< Current TD operation mode.
 static U32 tdSubMode;                                                       ///< Current state (sub-mode) of current TD operation mode.
 static F32 tdDialysateFlowrate;                                             ///< TD dialysate flow rate
-static F32 tdUFRate;                                                        ///< TD ultrafilteration rate
+static F32 tdUFRate;                                                        ///< TD ultrafiltration rate
 static F32 tdTargetDialysateTemp;                                           ///< TD target dialysate temperature
 static BOOL tdDialyzerBypass;                                               ///< TD dialyzer bypass
 static DD_ACID_TYPES_T tdAcidType;                                          ///< TD Acid type.
@@ -192,7 +192,7 @@
  * The setTDUFRate function sets the latest TD UF rate.
  * @details \b Inputs: none
  * @details \b Outputs: tdUFRate
- * @param ultrafilteration flow rate.
+ * @param ultrafiltration flow rate.
  * @return none.
  *************************************************************************/
 void setTDUFRate( F32 ufRate )
@@ -223,7 +223,7 @@
  * @param Dialyzer Bypass enable.
  * @return none.
  *************************************************************************/
-void setTDDialyzerBypass( F32 dialBypass )
+void setTDDialyzerBypass( BOOL dialBypass )
 {
     tdDialyzerBypass = dialBypass;
 }
@@ -259,7 +259,7 @@
 
 /*********************************************************************//**
  * @brief
- * The getTDUFrate function gets the latest TD ultrafilteration flow
+ * The getTDUFrate function gets the latest TD ultrafiltration flow
  * rate.
  * @details \b Inputs: tdUFRate
  * @details \b Outputs: none
@@ -345,8 +345,12 @@
         // Process the pre-gen dialysate delivery request message
         if ( ( DD_MODE_STAN == ddMode ) && ( TRUE == startPreGenRequest.start ) )
         {
-            // start dialysate generation
+            // start pre-gen dialysate
             result = requestDDPreGenStart();
+            // Update Temperature, Acid/Bicarb type and dialysate rate for pregen process.
+            setTDDialysateFlowrate( startPreGenRequest.dialRate );
+            setTDTargetDialysateTemperature( startPreGenRequest.dialTemp );
+            setTDAcidAndBicarbType( startPreGenRequest.acidType, startPreGenRequest.bicarbType );
         }
         else if ( DD_MODE_PREG == ddMode )
         {