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DTC Troubleshooting: B1792

DTC B1792: HandsFreeLink control unit module error (without navigation)

NOTE:

- Check the vehicle battery condition first Battery Test.
- Check the connectors for poor connections or loose terminals.

1. Connect the HDS to the DLC.

2. Clear the DTCs with the HDS.

3. Turn the ignition switch to LOCK (0), and then back to ON (II).

4. Check for DTCs with the HDS.

Is DTC B1792 indicated?

YES -

Replace the HandsFreeLink control unit.

NO -

Intermittent failure, the system is OK at this time.