diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index daac8d71c..ad1186f92 100755
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -1858,6 +1858,9 @@ static void lcd_stack_crash()
 }
 #endif
 
+void TestPullupCrash() {
+	PORTF |= 0x01;
+}
 
 //! @brief Show Support Menu
 //!
@@ -2069,6 +2072,9 @@ static void lcd_support_menu()
 
   #endif //MK1BP
 
+#ifdef DEBUG_PULLUP_CRASH
+  MENU_ITEM_FUNCTION_P(_n("Test Pullup Crash"), TestTestPullupCrash);
+#endif // DEBUG_PULLUP_CRASH
   MENU_END();
 }
 
diff --git a/Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h b/Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h
index aacb7cb7d..549378940 100644
--- a/Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h
@@ -168,6 +168,8 @@
 #define DEBUG_DCODE3
 #define DEBUG_DCODE6
 
+#define DEBUG_PULLUP_CRASH //Test Pullup crash
+
 //#define DEBUG_BUILD
 //#define DEBUG_SEC_LANG   //secondary language debug output at startup
 //#define DEBUG_XFLASH   //debug external spi flash
diff --git a/Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h b/Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h
index 8659c582a..73eb73ff3 100644
--- a/Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h
+++ b/Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h
@@ -170,6 +170,8 @@
 #define DEBUG_DCODE3
 #define DEBUG_DCODE6
 
+#define DEBUG_PULLUP_CRASH //Test Pullup crash
+
 //#define DEBUG_BUILD
 //#define DEBUG_SEC_LANG   //secondary language debug output at startup
 //#define DEBUG_XFLASH   //debug external spi flash