DTC Troubleshooting: B1792
DTC B1792:
 Hands Free Telephone Control Unit Internal Error
  1. Connect the HDS to the DLC.
  1. Clear the DTCs with the HDS.
  1. Turn the ignition switch to LOCK (0) and then back to ON (II).
  1. Check for DTCs with the HDS.
Is DTC B1792 indicated?
YES -
Replace the Hands Free Telephone control unit. ■
NO -
Intermittent failure, the system is OK at this time.■