diff --git a/0_Update Folder/HKL MCU Issue History.txt b/0_Update Folder/HKL MCU Issue History.txt
index 093a7cf..70122c3 100644
--- a/0_Update Folder/HKL MCU Issue History.txt	
+++ b/0_Update Folder/HKL MCU Issue History.txt	
@@ -24,3 +24,11 @@ A-Core
 
 PMICÀÇ GPIO ¼³Á¤Àº Danny ÀÌ»ç´ÔÀÌ È®ÀÎÁß
 
+20251014
+PCU Ethernet µ¿ÀÛ È®ÀÎÀÌ ¾ÆÁ÷ ¾ÈµÊ.
+DCU, EVB¿¡¼­ ¸ÖƼ ÄÚ¾î È°¼ºÈ­ Çϸé, R-Core ´Üµ¶ OK, R-Core+A-Core(QNX¸¦ »ç¿ë) Çϸé Stuck.
+
+R-Core : Ethernet
+A-Core : Docan Sample Code ¹®ÀÇ
+
+