diff --git a/DBC_Converter_RX.py b/DBC_Converter_RX.py
index 2a45b88..970a1ab 100644
--- a/DBC_Converter_RX.py
+++ b/DBC_Converter_RX.py
@@ -98,9 +98,10 @@ void Receive_{message_name}_{message_info['ID']}(void)
             start_bit = signal["msb"] % 8
             signal_length = signal["Length"]
             if signal["Byte order"] == 0:  # Motorola (Big Endian)
-                shift_expr = f"(CAN_ch[0].rx.buf[{start_byte}] << shift{7 - start_bit})"
+                lsb = signal["msb"] + 8*(signal_length // 8) - (signal_length % 8 - 1)
                 if signal_length > 8:
                     # Handle multi-byte signals
+                    shift_expr = f"(CAN_ch[0].rx.buf[{start_byte}] << shift{7 - start_bit})"
                     multi_byte_expr = []
                     for i in range((signal_length + 7) // 8):
                         byte_shift = (7 - start_bit) + (i * 8)
@@ -109,6 +110,8 @@ void Receive_{message_name}_{message_info['ID']}(void)
                         else:
                             multi_byte_expr.append(f"(CAN_ch[0].rx.buf[{start_byte + i}] >> shift{byte_shift})")
                     shift_expr = " | ".join(multi_byte_expr)
+                else :
+                    shift_expr = f"(CAN_ch[0].rx.buf[{start_byte}] >> shift{lsb % 8})"
             else:  # Intel (Little Endian)
                 shift_expr = f"(CAN_ch[0].rx.buf[{start_byte}] >> shift{start_bit})"
                 if signal_length > 8:
diff --git a/DBC_Converter_TX.py b/DBC_Converter_TX.py
index 54ae71c..252d68d 100644
--- a/DBC_Converter_TX.py
+++ b/DBC_Converter_TX.py
@@ -102,7 +102,7 @@ def generate_vcu_can_transmit_single_c_file(signals, output_file):
     # Iterate through all messages in the signals
     for message_name, message_info in signals.items():
         # Check if any signal in the message has RX ECU name as VCU
-        has_vcu_signal = any(signal["RX ECU name"] == "VCU" for signal in message_info["Signals"])
+        has_vcu_signal = any(signal["RX ECU name"] != "VCU" for signal in message_info["Signals"])
         if not has_vcu_signal:
             continue  # Skip this message if no signal has RX ECU name as VCU
 
@@ -124,7 +124,13 @@ void Transmit_{message_name}_CH0_{message_info['ID']}(void)
             while signal_length > 0:
                 bits_in_byte = min(8 - start_bit, signal_length)
                 shift_amount = (signal["Length"] - signal_length)
-                shift_expr = f"({signal_name} >> shift{shift_amount}) << shift{start_bit}" if start_bit > 0 else f"({signal_name} >> shift{shift_amount})"
+                if signal["Byte order"] == 0:  # Motorola (Big Endian)
+                    if bits_in_byte == 8:
+                        shift_expr = f"({signal_name} >> shift{shift_amount})"
+                    else:
+                        shift_expr = f"({signal_name} << shift{start_bit})" if start_bit > 0 else f"({signal_name} >> shift{shift_amount})"
+                else:  # Intel (Little Endian)
+                    shift_expr = f"({signal_name} >> shift{shift_amount}) << shift{start_bit}" if start_bit > 0 else f"({signal_name} >> shift{shift_amount})"
                 buffer_index = start_byte
 
                 # Ensure buffer_index is within the range of buffer_assignments
diff --git a/settings.json b/settings.json
index 656cc45..3771384 100644
--- a/settings.json
+++ b/settings.json
@@ -2,6 +2,6 @@
     "theme": "light",
     "default_save_path": "C:/Users/MSI/Desktop",
     "file_paths": [],
-    "last_opened_dir": "C:/Users/MSI/SynologyDrive/3min_be/한자연/!과제/초안전/#Debug/DBC",
+    "last_opened_dir": "C:/Users/MSI/Desktop/python/motorola_tx",
     "channel_info": {}
 }
\ No newline at end of file