Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Blind Spot Information System - Diagnostics
2023 Acura RDX BaseSECTION Blind Spot Information System - Diagnostics
- How to Information
- How to Troubleshoot the Blind Spot Information (BSI) System (2019 2020 2021)
- How to Troubleshoot the Blind Spot Information (BSI) System (2022 2023)
- Notes
- Before Troubleshooting
- System Indicator
- Safety Support Information
- How to Read DTCs with the HDS
- BSI Alert Indicator
- Self-Diagnostic Function
- BSI Radar Units
- CAN Communications
- How to Troubleshoot DTCs
- Axle Correction Learning while Vehicle Driving
- Reset Learning Value for Axis Misalignment Correction Learning
- How to Reset the Learning Value
- How to Troubleshoot the Cross Traffic Monitor
- DTC Troubleshooting
- DTC B18A1
- DTC B18A5, B1E55
- DTC B18B4
- DTC B18B8 (2019 2020 2021)
- DTC B18B8 (2022 2023)
- DTC B18BA, B1E6A
- DTC B18BF
- DTC B18C5
- DTC B18C6
- DTC B18C7
- DTC B18DB
- DTC B18DC
- DTC B18EA, B1E9A
- DTC B18EC, B1E9C
- DTC B1E51
- DTC B1E64
- DTC B1E68 (2019 2020 2021)
- DTC B1E68 (2022 2023)
- DTC B1E6F
- DTC B1E75
- DTC B1E76
- DTC B1E77
- DTC U1280 (BSI Radar Unit)
- DTC U1281 (BSI Radar Unit)
- DTC U128D (BSI Radar Unit)
- DTC U128F (BSI Radar Unit)
- DTC U1297 (BSI Radar Unit)
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.