    def test_blacklisted_ecus(self):
      blacklisted_addrs = (0x7c4, 0x7d0)  # includes A/C ecu and an unknown ecu
      for car_model, ecus in FW_VERSIONS.items():
        with self.subTest(car_model=car_model):
          CP = interfaces[car_model][0].get_non_essential_params(car_model)
          if CP.carName == 'subaru':
            for ecu in ecus.keys():
              self.assertNotIn(ecu[1], blacklisted_addrs, f'{car_model}: Blacklisted ecu: (Ecu.{ECU_NAME[ecu[0]]}, {hex(ecu[1])})')
  
          elif CP.carName == "chrysler":
 
</s> remove     CP = CarInterface.get_non_essential_params(fingerprint)
 </s> add     CP = CarInterface.get_params(fingerprint) </s> remove     CP = interfaces[model][0].get_params(model, fingerprint=gen_empty_fingerprint(), car_fw=[car.CarParams.CarFw(ecu="unknown")], experimental_long=False)
 </s> add     CP = interfaces[model][0].get_params(model, fingerprint=gen_empty_fingerprint(), car_fw=[car.CarParams.CarFw(ecu="unknown")]) </s> remove     CP = CarInterface.get_non_essential_params(CAR.CIVIC)
 </s> add     CP = CarInterface.get_params(CAR.CIVIC) </s> remove CP = CarInterface.get_non_essential_params(CAR.CIVIC)
 </s> add CP = CarInterface.get_params(CAR.CIVIC) </s> remove     CP = CarInterface.get_non_essential_params("mock")
 </s> add     CP = CarInterface.get_params("mock")
        CP = interfaces[car_model][0].get_params(car_model)
    def test_blacklisted_ecus(self):
      blacklisted_addrs = (0x7c4, 0x7d0)  # includes A/C ecu and an unknown ecu
      for car_model, ecus in FW_VERSIONS.items():
        with self.subTest(car_model=car_model):
        CP = interfaces[car_model][0].get_params(car_model)
          if CP.carName == 'subaru':
            for ecu in ecus.keys():
              self.assertNotIn(ecu[1], blacklisted_addrs, f'{car_model}: Blacklisted ecu: (Ecu.{ECU_NAME[ecu[0]]}, {hex(ecu[1])})')
  
          elif CP.carName == "chrysler":
keep keep keep keep replace keep keep keep keep keep
 Revert "Car interface: require fingerprint and FW versions to get params (#26766)"

This reverts commit b68dabb689104ef0819a6c881b800076deb866f6. 
selfdrive/car/tests/test_fw_fingerprint.py