HandsFreeLink Control Unit
DTC TROUBLESHOOTING CHART
| DTC | Description | DTC type |
|---|---|---|
| B1750 | Communication bus line error | Loss of communication |
| B1751 | HandsFreeLink control unit CPU error | Internal error |
| B1775 | Microphone input/output short to power/open | Signal error |
| B1776 | Microphone input/output short to ground/open | Signal error |
| B1779 | HFL switch (HFL TALK/HFL BACK buttons) circuit open/short | Signal error |
| B1780 | HFL switch (HFL TALK/HFL BACK buttons) circuit short | Signal error |
| B1792 | HandsFreeLink control unit internal error | Internal error |