With Navigation
DTC Troubleshooting: B1792
DTC B1792: HandsFreeLink control module error (with navigation)
NOTE: Check the vehicle battery condition first 12 Volt Battery Test.
1. Turn the ignition switch to LOCK (0), and then back to ON (II).
2. Do the HFL Self-Diagnostic Function, and check for HFL DTCs.
Is DTC B1792 indicated?
YES -
Replace the HandsFreeLink control unit.
NO -
Intermittent failure, the system is OK at this time.