          can_sends.append(create_ui_command(self.packer, steer_alert, pcm_cancel_cmd, hud_control.leftLaneVisible,
                                             hud_control.rightLaneVisible, hud_control.leftLaneDepart,
                                             hud_control.rightLaneDepart, CC.enabled, CS.lkas_hud))
  
        # TODO: send when disabling the radar to avoid a fault
        if (self.frame % 100 == 0 or send_ui) and self.CP.enableDsu:
          can_sends.append(create_fcw_command(self.packer, fcw_alert))
  
      # *** static msgs ***
      for addr, cars, bus, fr_step, vl in STATIC_DSU_MSGS:
 
</s> remove     # uncomment to keep radar disabled, rate can be tuned:
    # if self.frame % 20 == 0:
    #   can_sends.append([0x750, 0, b"\x0F\x02\x3E\x00\x00\x00\x00\x00", 0])

 </s> add  </s> remove   # uncomment to disable radar:
  # @staticmethod
  # def init(CP, logcan, sendcan):
  #   # a diagnostic mode of SESSION_TYPE.PROGRAMMING disabled the ECU on its own. car did not accept DISABLE_RX_DISABLE_TX, but it did not matter.
  #   # a diagnostic mode of SESSION_TYPE.EXTENDED_DIAGNOSTIC and CONTROL_TYPE.ENABLE_RX_DISABLE_TX did work, so use that
  #   # TODO: add a flag, radarUnavailable shouldn't be used as "radar acc" right now
  #   if CP.openpilotLongitudinalControl and CP.radarUnavailable:
  #     disable_ecu(logcan, sendcan, bus=0, addr=0x750, sub_addr=0xf, com_cont_req=b'\x28\x01\x01')

 </s> add  </s> remove     "PCS_INDICATOR": 1,  # PCS turned off
 </s> add     "PCS_INDICATOR": 1,
          can_sends.append(create_ui_command(self.packer, steer_alert, pcm_cancel_cmd, hud_control.leftLaneVisible,
                                             hud_control.rightLaneVisible, hud_control.leftLaneDepart,
                                             hud_control.rightLaneDepart, CC.enabled, CS.lkas_hud))
  

        if (self.frame % 100 == 0 or send_ui) and self.CP.enableDsu:
          can_sends.append(create_fcw_command(self.packer, fcw_alert))
  
      # *** static msgs ***
      for addr, cars, bus, fr_step, vl in STATIC_DSU_MSGS:
keep keep keep keep replace keep keep keep keep keep
 Revert "Toyota: prepare to disable radar (#29541)"

This reverts commit 61653bf343bc189d9231234a5b95777998096fa6. 
selfdrive/car/toyota/carcontroller.py