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 MANUALSACURA2015TLX BASE, 2.4L ENGREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXHANDSFREELINK SYSTEM DTCS
2015 Acura TLX Base, 2.4L Eng
HANDSFREELINK System DTCS
2015 Acura TLX Base, 2.4L EngSECTION HANDSFREELINK System DTCS
| DTC | Description | DTC Type |
|---|---|---|
| B1775 - Refer to: DTC Troubleshooting: B1775 (Hands Free Link Control Unit), or DTC Troubleshooting: B1775 (Without Navigation) (2018-19), or DTC Troubleshooting: B1775 (With Navigation) (2018-19) | Microphone input/output shorted to power or open | Signal error |
| B1776 - Refer to: DTC Troubleshooting: B1776 (Hands Free Link Control Unit), or DTC Troubleshooting: B1776 (Without Navigation) (2018-19), or DTC Troubleshooting: B1776 (With Navigation) (2018-19) | Microphone input/output shorted to ground | Signal error |
| B1792 | Hands Free Link control module error | Internal error |
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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.