DTC : B18DB

DTC B18DB  : Left Side BSI Radar Unit Received The Audio/Navigation Unit Failure Information

NOTE:  Before you troubleshoot, review the general troubleshooting information - Refer to:

How to Troubleshoot the Blind Spot Information System/Cross Traffic Monitor (2016 2017 2018)  or

How to Troubleshoot the Blind Spot Information System/Cross Traffic Monitor (2019 2020 2021) .

DTC (BSI)

1. BSI radar unit connector check

   -1. Check for poor connections or loose terminals at the BSI radar unit 6P connector.

   Is the BSI radar unit 6P connector OK?

   YES 

   Go to step 2.

   NO 

   Repair or reconnect the connector securely.

2. BSI radar unit check

   -1. Turn the vehicle to the ON mode, and read the HDS.

   DTC Description	DTC
   B18DB Left Side BSI Radar Unit Received The Audio/Navigation Unit Failure Information

   Is DTC B18DB indicated?

   YES 

   Go to the:

   Audio System or

   Navigation System general troubleshooting.

   If the symptom is still present, replace the appropriate BSI Radar Unit - Removal and Installation .

   NO 

   Intermittent failure, the system is OK at this time. Go to intermittent failures troubleshooting - Refer to:

   How to Troubleshoot the Blind Spot Information System/Cross Traffic Monitor (2016 2017 2018)  or

   How to Troubleshoot the Blind Spot Information System/Cross Traffic Monitor (2019 2020 2021) .