DTC Troubleshooting Index
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
HANDSFREELINK CONTROL UNIT
| DTC | Description | DTC type |
|---|---|---|
| B1775 | Microphone input/output shorted to power (with navigation) | Signal error |
| Microphone input/output shorted to power (without navigation) | Signal error | |
| B1776 | Microphone input/output shorted to ground or open (with navigation) | Signal error |
| Microphone input/output shorted to ground or open (without navigation) | Signal error | |
| B1779 | HandsFreeLink steering wheel switch failure (with navigation) | Signal error |
| HandsFreeLink steering wheel switch failure (without navigation) | Signal error | |
| B1780 | HandsFreeLink steering wheel switch line short (with navigation) | Signal error |
| HandsFreeLink steering wheel switch line short (without navigation) | Signal error | |
| B1792 | HandsFreeLink control module error | Internal error |
| U1280 | Communication bus line error (BUS-OFF) | Loss of communication |