Diagnostic Trouble Code Set Condition

This diagnostic trouble code is set when the abnormality below is detected:

• If any of the following conditions are satisfied with the cruise control switch or the FCM switch "ON", the system will determine that the radar detection performance is deteriorated.
  • The radar or its surrounding area is contaminated with dirt or foreign material (snow or ice).
  • The system cannot monitor a vehicle-travelling-ahead steadily due to a water splash, etc.
  • The system receives little radar reflection from a distance (traffic is not heavy and free of obstacles, or the obstacles are covered with snow).