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.
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HOMESERVICE MANUALSACURA2015RDX AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXBLIND SPOT INFORMATION SYSTEM DTCS
2015 Acura RDX AWD
Blind Spot Information System DTCS
2015 Acura RDX AWDSECTION Blind Spot Information System DTCS
BLIND SPOT INFORMATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description |
|---|---|
| B18A1 | BSI Radar Unit Internal Circuit Error (2016-18) |
| B18A5 | BSI Radar Unit Internal Circuit Error (2016-18) |
| B18B4 | BSI Radar Unit Dirty (2016-18) |
| B18B8 | BSI Radar Unit Azimuth Off Alignment (2016-18) |
| B18BA | Different Version in the Left and Right Side BSI Radar Unit (2016-18) |
| B18C5 | Short To GND In The BSI Radar Unit Indicator Circuit (2016-18) |
| B18C6 | Short To Power In The BSI Radar Unit Indicator Circuit (2016-18) |
| B18C7 | Open in the BSI Radar Unit Indicator Circuit (2016-18) |
| B18DB | Left Side BSI Radar Unit Received The Audio/Navigation Unit Failure Information (2016-18) |
| B18EA | BSI Radar Unit Received PCM (A/T System) Failure Information (2016-18) |
| U1280 | Communication Bus Line Error (Bus-Off) (2016-18) |
| U1281 | BSI Radar Unit Lost Communication With MICU (2016-18) |
| U128D | BSI Radar Unit Lost Communication With Gauge Control Module (2016-18) |
| U1297 | BSI Radar Unit Lost Communication With Left/Right Side BSI Radar Unit (2016-18) |
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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.