DTC B18B8: Left BSI Radar Unit Azimuth Off Alignment; DTC B18B9: Right BSI Radar Unit Azimuth Off Alignment

Is radar Installation OK? 

YES  -Check the vehicle condition:

• Make sure the vehicle does not have aftermarket suspension.
• Make sure all the tires are the correct size.
• Set the tire pressures to the specifications shown on the doorjamb label.

If the problem is still present, do the BSI radar unit mounting area check (see BSI RADAR UNIT MOUNTING AREA CHECK  ).

NO  -Replace the BSI radar unit (see BSI RADAR UNIT REMOVAL/INSTALLATION  ).