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 INDEXTELEMATICS CONTROL SYSTEM DTCS
2015 Acura RDX AWD
Telematics Control System DTCS
2015 Acura RDX AWDSECTION Telematics Control System DTCS
TELEMATICS CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description |
|---|---|
| B1401 | Telematics-ECU CPU Communication and EEPROM Error (2016-18) |
| B1403 | Telematics-ECU GPS Receiver Error (2016-18) |
| B1404 | Telematics-ECU Telephone Module Error (2016-18) |
| B1412 | TEL Antenna Disconnected (2016-18) |
| B1413 | TEL Antenna Shorted to Ground (2016-18) |
| B1414 | GPS Antenna Disconnected (2016-18) |
| B1415 | GPS Antenna Shorted to Ground (2016-18) |
| B1416 | TELE Console Switch Assembly Disconnected (2016-18) |
| B1417 | TELE Console Switch Shorted to Ground (2016-18) |
| B1425 | CDS (Collision detection signal) input circuit malfunction (2016-18) |
| B1775 | Microphone In/Out Open or Shorted to Power (2016-18) |
| B1776 | Microphone In/Out Shorted to Ground (2016-18) |
| U1280 | Communication Bus Line Error (a bus OFF state is detected by Telematics-ECU) (2016-18) |
| U1281 | Lost Communication with MICU (MICU frame) (2016-18) |
| U128D | Lost Communication with Meter on B-CAN (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.