DTC : B18A1, B1E51
DTC B18A1 : Left Side BSI Radar Unit Internal Circuit Error
DTC B1E51 : Right Side BSI Radar Unit Internal Circuit Error
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 Description | DTC |
|---|---|
| B18A1 Left Side BSI Radar Unit Internal Circuit Error | |
| B1E51 Right Side BSI Radar Unit Internal Circuit Error |
DTC (BSI)
- Problem verification
-1. Turn the vehicle to the ON mode.
- 2. Clear the DTC with the HDS.
Clear DTCs
- 3. Turn the vehicle to the OFF (LOCK) mode.
- 4. Turn the vehicle to the ON mode, then wait for at least 5 seconds.
- 5. Check for DTCs with the HDS.
DTC Description DTC B18A1 Left Side BSI Radar Unit Internal Circuit Error B1E51 Right Side BSI Radar Unit Internal Circuit Error Are any DTCs indicated?
YES
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) .