diff --git a/PCAN_project/hytech.sym b/PCAN_project/hytech.sym
index 22d2c72..44bb089 100644
--- a/PCAN_project/hytech.sym
+++ b/PCAN_project/hytech.sym
@@ -605,10 +605,10 @@ Sig=drivebrain_set_rpm_fl unsigned 16
 Sig=drivebrain_set_rpm_fr unsigned 16
 Sig=drivebrain_set_rpm_rl unsigned 16
 Sig=drivebrain_set_rpm_rr unsigned 16
-Sig=izze_brake_IR_temp_1 unsigned 16
-Sig=izze_brake_IR_temp_2 unsigned 16
-Sig=izze_brake_IR_temp_3 unsigned 16
-Sig=izze_brake_IR_temp_4 unsigned 16
+Sig=izze_brake_IR_temp_1 unsigned 16 -m
+Sig=izze_brake_IR_temp_2 unsigned 16 -m
+Sig=izze_brake_IR_temp_3 unsigned 16 -m
+Sig=izze_brake_IR_temp_4 unsigned 16 -m
 
 {SENDRECEIVE}
 
diff --git a/id_finder.py b/id_finder.py
new file mode 100644
index 0000000..cb3ebfc
--- /dev/null
+++ b/id_finder.py
@@ -0,0 +1,44 @@
+import matplotlib.pyplot as plt
+import re
+import sys
+
+def parse_sym_file(sym_file_path):
+    used_ids = set()
+
+    # Regular expression for matching ID lines
+    id_pattern = re.compile(r'ID=(\w+)h', re.IGNORECASE)
+
+    with open(sym_file_path, 'r') as file:
+        for line in file:
+            id_match = id_pattern.search(line)
+            if id_match:
+                can_id = int(id_match.group(1), 16)  # Convert hex to int
+                # Only add IDs within the 11-bit CAN ID range (0x000 to 0x7FF)
+                if 0x000 <= can_id <= 0x7FF:
+                    used_ids.add(can_id)
+
+    return used_ids
+
+def plot_can_id_space(used_ids):
+    # Define the full 11-bit CAN ID range (0x000 to 0x7FF)
+    all_ids = set(range(0x000, 0x800))  
+    available_ids = all_ids - used_ids
+
+    plt.figure(figsize=(15, 6))
+    
+    # Plotting available and used CAN IDs
+    plt.scatter(sorted(available_ids), [1] * len(available_ids), color='green', label='Available', s=10)
+    plt.scatter(sorted(used_ids), [1] * len(used_ids), color='red', label='Used', s=10)
+    
+    plt.xlabel('CAN ID')
+    plt.ylabel('Availability')
+    plt.yticks([])  # No need for y-axis ticks
+    plt.title('CAN ID Space (0x000 to 0x7FF) Availability')
+    plt.grid(axis='x', linestyle='--', linewidth=0.5)
+    plt.legend()
+    plt.tight_layout()
+    plt.show()
+if __name__ == "__main__":
+    sym_file_path = sys.argv[1]  # Replace with your actual .sym file path
+    used_ids = parse_sym_file(sym_file_path)
+    plot_can_id_space(used_ids)