B18B1
DTC Troubleshooting: B18B1
DTC B18B1:
Right BSI Radar Unit Internal Circuit Error
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to ON (II), then wait for 30 seconds.
3. Check for DTCs with the HDS.
Is DTC B18B1 indicated?
YES -
Replace the right BSI radar unit See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Blind Spot
Module/Service and Repair/BSI Radar Unit Removal/Installation.?
NO -
Intermittent failure, the system is OK at this time.?
B18B4
DTC Troubleshooting: B18B4
DTC B18B4:
Left BSI Radar Unit Dirty
1. Check the outside of rear bumper for snow, ice, dirt, contaminants, or stickers.
2. Remove the bolts on rear bumper wheel arch See: Body and Frame/Bumper/Rear Bumper/Service and Repair. Gently pull on the rear
bumper (A) at the wheel arch areas to release it from the hooks (B) on the side spacers (C). Do not pull the rear bumper forcibly.
3. Check the inside of rear bumper for snow, ice, dirt, contaminants. Also, check the BSI radar unit surface for dirt or contaminants.
Is it OK?
YES -
Intermittent failure due to temporary contamination around the rear bumper, the system is OK at this time. Clear the DTCs.?
NO -
Go to step 4.
4. Remove the rear bumper, and wipe off any dirt or contaminants.
5. Check the sensor cover for proper installation.
