Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rc27b1788cee92bcb143d6c4f09d4b278ddded36f -raa99bf72495bf2cbbedec39214935d68e990eaed
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision c27b1788cee92bcb143d6c4f09d4b278ddded36f)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision aa99bf72495bf2cbbedec39214935d68e990eaed)
@@ -7,8 +7,8 @@
 *
 * @file    SystemCommMessages.c
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      19-Sep-2024
+* @author  (last)      Sean Nash
+* @date    (last)      30-Sep-2024
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -96,7 +96,11 @@
 
 // ********** private data **********
 
+#ifndef CARTRIDGE_TEST_BUILD
 static BOOL testerLoggedIn = FALSE;                         ///< Flag indicates whether an external tester (connected PC) has sent a valid login message.
+#else
+static BOOL testerLoggedIn = TRUE;                          ///< Flag indicates whether an external tester (connected PC) has sent a valid login message.
+#endif
 static volatile U16 nextSeqNo = 1;                          ///< Value of sequence number to use for next transmitted message.
 
 /// List of message IDs that are requested not to be transmitted.