Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -re6c4c61c793a91f9ed9dfe969e01bdeee565347d -r696e732c9742535a58b9c65f243df7cd797d1423
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision e6c4c61c793a91f9ed9dfe969e01bdeee565347d)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 696e732c9742535a58b9c65f243df7cd797d1423)
@@ -25,6 +25,7 @@
 #include "SystemComm.h"
 #include "Comm.h"
 #include "Interrupts.h"
+#include "OperationModes.h"
 #include "Timers.h"
 #include "Utilities.h"
 #include "SystemCommMessages.h"
@@ -772,8 +773,8 @@
     for ( i = 0; i < PENDING_ACK_LIST_SIZE; i++ )
     {   // pending ACK expired?
         if ( ( TRUE == pendingAckList[ i ].used ) && ( TRUE == didTimeout( pendingAckList[ i ].timeStamp, MSG_NOT_ACKED_TIMEOUT_MS ) ) )
-        {   // if retries left, reset and resend pending message
-            if ( pendingAckList[ i ].retries > 0 )
+        {   // if retries left, reset and resend pending message. Do not retry when in POST since the UI might not still be responsive
+            if ( ( pendingAckList[ i ].retries > 0 ) && ( getCurrentOperationMode() != DG_MODE_INIT ) )
             {   // re-queue message for transmit
                 pendingAckList[ i ].retries--;
                 pendingAckList[ i ].timeStamp = getMSTimerCount();
@@ -785,9 +786,7 @@
                 U16 msgID;
 
                 memcpy( &msgID, &pendingAckList[ i ].msg[ sizeof( U08 ) + sizeof( U16 ) ], sizeof( U16 ) );
-#ifndef DISABLE_ACK_ALARM
                 SET_ALARM_WITH_1_U32_DATA( ALARM_ID_DG_CAN_MESSAGE_NOT_ACKED, (U32)msgID );
-#endif
                 pendingAckList[ i ].used = FALSE;  // take pending message off of list
             }
         }
@@ -912,11 +911,8 @@
             break;
     }
 
-#ifndef _VECTORCAST_
     // handle any test messages if tester has logged in successfully
-    // NOTE: END_OF_MSG_IDS = 65536 which is out of the range of a U16 so it is subtracted by 1. This is unreachable in development testing
-    if ( ( msgID > MSG_ID_FIRST_DG_TESTER_MESSAGE ) && ( msgID <= END_OF_MSG_IDS - 1 ) && ( TRUE == isTestingActivated() ) )
-#endif
+    if ( ( msgID > MSG_ID_FIRST_DG_TESTER_MESSAGE ) && ( TRUE == isTestingActivated() ) )
     {
         switch ( msgID )
         {