FixVault

DTC B1792: HandsFreeLink Control Module Error

NOTE: Check the vehicle battery condition first (see BATTERY TEST ).
  1. Connect the HDS to the DLC (see HOW TO CHECK FOR DTCS WITH THE HDS  ).
  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 (see CONTROL UNIT INPUT TEST/REPLACEMENT  ).

    NO  -Intermittent failure, the system is OK at this time.