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Home >> Acura >> 2009 >> CSX Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Hands Free Link System) >> DTC Troubleshooting >> DTC B1792: HandsFreeLink Control Unit Internal Error
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DTC B1792: HandsFreeLink Control Unit Internal Error

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Check the vehicle battery condition first (see BATTERY TEST )
  1. Connect the HDS to the DLC (see GENERAL TROUBLESHOOTING INFORMATION )
  2. Clear the DTCs with the HDS
  3. Turn the ignition switch to LOCK (0) and then back to ON (II), or press the engine start/stop button to select the OFF mode and then the ON mode
  4. Check for DTCs with the HDS

    Is DTC B1792 indicated? 

    YES  -Replace the HandsFreeLink control unit (see HFL SWITCH TEST )

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