Manufacturer Code Charts: 105

DTC Troubleshooting: 105

DTC 105:

Dust or Dirt on the Millimeter Wave Radar

NOTE: When driving on a road with little traffic and minimal reflecting objects for the millimeter wave radar, DTC 105 is stored temporarily. Also DTC 105 is sometimes stored near overpasses and bodies of water. Check for dirt on the front surface of the millimeter wave radar.

1. Remove the front bumper Front Bumper.

2. Check for dust or dirt on the millimeter wave radar.

Is the surface dirty?

YES -

Clean the millimeter wave radar, then recheck the system.�

NO -

Go to step 3.

3. Check the installation of the front grille radar cover.

Is the front grille radar cover installed correctly?

YES -

Go to step 4.

NO -

Reinstall the front grille radar cover or the front grille correctly. If damaged, replace it.�

4. Clear the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

5. Test-drive the vehicle at 25 mph (40 km/h) for 120 seconds or more with the ACC activated.

6. Check for DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Is DTC 105 indicated?

YES -

Check for loose or poor connections. If OK, replace the millimeter wave radar Service and Repair. After replacement, aim the millimeter wave radar Adjustments.�

NO -

Intermittent failure, the system is OK at this time.�