diff --git a/hkg_fuzzy_fp.py b/hkg_fuzzy_fp.py
index 23e65bf432..56f536895c 100644
--- a/hkg_fuzzy_fp.py
+++ b/hkg_fuzzy_fp.py
@@ -1,8 +1,9 @@
 #!/usr/bin/env python3
 import re
+import random
 
 from cereal import car
-from selfdrive.car.hyundai.values import FW_VERSIONS
+from selfdrive.car.hyundai.values import FW_VERSIONS, match_fw_to_hyundai_fuzzy
 
 Ecu = car.CarParams.Ecu
 
@@ -17,17 +18,18 @@ RADAR_REGEX = br'([A-Z]+[A-Z0-9]*)'
 def get_platform_codes(car_fw):
   radar_codes = set()
   camera_codes = set()
-  for fw in car_fw[(Ecu.fwdRadar, 0x7d0, None)]:
-    start_idx = fw.index(b'\xf1\x00')
-    fw = fw[start_idx + 2:][:4]
+  if (Ecu.fwdRadar, 0x7d0, None) in car_fw:
+    for fw in car_fw[(Ecu.fwdRadar, 0x7d0, None)]:
+      start_idx = fw.index(b'\xf1\x00')
+      fw = fw[start_idx + 2:][:4]
 
-    # code = re.match(RADAR_REGEX, fw).group(0)  # TODO: check NONE, or have a test
-    # radar_code_variant = fw[len(code):4].replace(b'_', b'').replace(b' ', b'')
+      # code = re.match(RADAR_REGEX, fw).group(0)  # TODO: check NONE, or have a test
+      # radar_code_variant = fw[len(code):4].replace(b'_', b'').replace(b' ', b'')
 
-    radar_code = fw[:4].replace(b" ", b"").replace(b"_", b"")
+      radar_code = fw[:4].replace(b" ", b"").replace(b"_", b"")
 
-    radar_codes.add(radar_code)
-    # codes.add((code, radar_code_variant))
+      radar_codes.add(radar_code)
+      # codes.add((code, radar_code_variant))
 
   for fw in car_fw[(Ecu.fwdCamera, 0x7c4, None)]:
     start_idx = fw.index(b'\xf1\x00')
@@ -49,3 +51,28 @@ for car, car_fw in FW_VERSIONS.items():
   radar_codes, camera_codes = get_platform_codes(car_fw)
 
   print(f"{car:36}: radar: {radar_codes}, camera: {camera_codes}")
+
+
+issue = set()
+for i in range(200):
+  for car, versions in FW_VERSIONS.items():
+    if 'HYUNDAI GENESIS' in car:
+      continue
+    versions = {(ecu[1], ecu[2]): [random.choice(fws)] for ecu, fws in versions.items()}
+    # print(versions)
+
+    ret = match_fw_to_hyundai_fuzzy(versions)
+    # is_exact, ret = match_fw_to_car(versions, allow_exact=False)
+    # ret = match_fw_to_car_fuzzy(versions, config=None)
+    if len(ret) != 1:
+      print(f'Not one match! {car=}: {ret=}')
+      issue.add(car)
+    elif list(ret)[0] != car:
+      print(f'Matched to wrong car! real: {car}, match: {ret}')
+      issue.add(car)
+
+print()
+print('bad:', issue)
+print()
+print('good:', set(FW_VERSIONS) - issue)
+# raise Exception
diff --git a/selfdrive/car/hyundai/values.py b/selfdrive/car/hyundai/values.py
index e237f8d98e..ee1fbb9a4c 100644
--- a/selfdrive/car/hyundai/values.py
+++ b/selfdrive/car/hyundai/values.py
@@ -356,6 +356,9 @@ def match_fw_to_hyundai_fuzzy(fw_versions_dict):
   invalid = []
   candidates = FW_VERSIONS
   for candidate, fws in candidates.items():
+    if 'HYUNDAI GENESIS' in candidate:
+      invalid.append(candidate)
+      continue
     candidate_platform_codes_radar = get_platform_codes(fws[(Ecu.fwdRadar, 0x7d0, None)])
     candidate_platform_codes_camera = get_platform_codes(fws[(Ecu.fwdCamera, 0x7c4, None)])