Diagnostic Trouble Code Set Condition

This DTC is set when any of the following conditions is detected:

• If any of the following conditions are satisfied with the cruise control 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 can not 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).