diff --git a/selfdrive/car/toyota/tests/print_platform_codes.py b/selfdrive/car/toyota/tests/print_platform_codes.py
index dc2f651312..25b921819d 100755
--- a/selfdrive/car/toyota/tests/print_platform_codes.py
+++ b/selfdrive/car/toyota/tests/print_platform_codes.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+from collections import defaultdict
 from cereal import car
 from openpilot.selfdrive.car.toyota.values import FW_VERSIONS, PLATFORM_CODE_ECUS, get_platform_codes
 
@@ -6,6 +7,8 @@ Ecu = car.CarParams.Ecu
 ECU_NAME = {v: k for k, v in Ecu.schema.enumerants.items()}
 
 if __name__ == "__main__":
+  parts_for_ecu = defaultdict(set)
+
   for car_model, ecus in FW_VERSIONS.items():
     print()
     print(car_model)
@@ -14,5 +17,10 @@ if __name__ == "__main__":
         continue
 
       platform_codes = get_platform_codes(ecus[ecu])
+      parts_for_ecu[ecu] |= {code.split(b'-')[0] for code in platform_codes}
       print(f'  (Ecu.{ECU_NAME[ecu[0]]}, {hex(ecu[1])}, {ecu[2]}):')
       print(f'    Codes: {platform_codes}')
+
+  print('\nECU parts:')
+  for ecu, parts in parts_for_ecu.items():
+    print(f'  (Ecu.{ECU_NAME[ecu[0]]}, {hex(ecu[1])}, {ecu[2]}): {parts}')