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 MANUALSHONDA2009ACCORD EX, 4D SEDAN, 2.4 CP2, STANDARDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEX (4-CYL)HANDSFREELINK SYSTEM
2009 Honda Accord EX, 4D Sedan, 2.4 CP2, Standard
HANDSFREELINK System
2009 Honda Accord EX, 4D Sedan, 2.4 CP2, StandardSECTION HANDSFREELINK System
HANDSFREELINK SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1775 | Microphone input/output shorted to power |
| B1776 | Microphone input/output shorted to ground or open |
| B1779 | HandsFreeLink steering wheel switch failure |
| B1780 | HandsFreeLink steering wheel switch line short |
| B1792 | HandsFreeLink control module error |
| U1280 | Communication bus line error (BUS-OFF) |
RENDER: 1.0x
NO RELATED
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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.