DTC Troubleshooting Index
HandsFreeLink Control Unit
TROUBLESHOOTING CHART
| DTC | Description | DTC type | Refer To |
|---|---|---|---|
| B1775 | Microphone input/output short to power/open (with navigation) | Signal error | (see DTC TROUBLESHOOTING ) |
| Microphone input/output short to power/open (without navigation) | Signal error | (see DTC B1775: MICROPHONE INPUT/OUTPUT SHORT TO POWER/OPEN (WITHOUT NAVIGATION) ) | |
| B1776 | Microphone input/output short to ground (with navigation) | Signal error | (see DTC B1776: MICROPHONE INPUT/OUTPUT SHORT TO GROUND (WITH NAVIGATION) ) |
| Microphone input/output short to ground (without navigation) | Signal error | (see DTC B1776: MICROPHONE INPUT/OUTPUT SHORT TO GROUND (WITHOUT NAVIGATION) ) | |
| B1779 | HFL switch or voice control switch (PICK-UP/HANG-UP buttons) circuit open/short to power (with navigation) | Signal error | (see DTC B1779: HFL SWITCH OR VOICE CONTROL SWITCH (PICK-UP/HANG-UP BUTTONS) CIRCUIT OPEN/SHORT TO POWER (WITH NAVIGATION) ) |
| HFL switch or voice control switch (HFL TALK/HFL BACK buttons) circuit open/short to power (without navigation) | Signal error | (see DTC B1779: HFL SWITCH OR VOICE CONTROL SWITCH (HFL TALK/HFL BACK BUTTONS) CIRCUIT OPEN/SHORT TO POWER (WITHOUT NAVIGATION) ) | |
| B1780 | HFL switch (PICK-UP/HANG-UP buttons) circuit short | Signal error | (see DTC B1780: HFL SWITCH (PICK-UP/HANG-UP BUTTONS) CIRCUIT SHORT ) |
| B1792 | HandsFreeLink control unit internal error | Internal error | (see DTC B1792: HANDSFREELINK CONTROL UNIT INTERNAL ERROR ) |
| U1280 | Communication bus line error (BUS OFF) | Loss of communication | (see DTC U0199: DRIVER'S MICU LOST COMMUNICATION WITH DOOR MULTIPLEX CONTROL UNIT ) |