LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2017 >> TLX SH-AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio Visual System - Testing & Troubleshooting (2 Of 2) >> Testing >> HandsFreeLink Control Unit Update >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

HandsFreeLink Control Unit Update: Procedure

NOTE: 

  1. HandsFreeLink Control Unit - Update

    1. Turn the vehicle to the ON mode

    2. Go into the System Diagnostic Mode:

    • Without navigation: Press and hold the MENU button, the AUDIO button, and the BACK button for about 3 seconds or more, and the System Diagnostic Mode begins.
    • With navigation: Press and hold the MENU button, the NAV button, and the BACK button for 3 seconds or more, and the System Diagnostic Mode begins.
    GHH195739Courtesy of HONDA, U.S.A., INC.

    Without Navigation 

    GHH195740Courtesy of HONDA, U.S.A., INC.

    With Navigation 

    GHH195741Courtesy of HONDA, U.S.A., INC.

    3. Select the Self-Diagnosis Mode from the Select Diagnosis Items menu

    4. When the System Links test finishes, select the HFL (A).

    Without Navigation 

    GHH195742Courtesy of HONDA, U.S.A., INC.

    With Navigation 

    GHH195743Courtesy of HONDA, U.S.A., INC.

    5. Open the HFL control unit update application on the HDS PC

    6. Select the Reflash from the vehicle's HFL screen.

    GHH195744Courtesy of HONDA, U.S.A., INC.

    7. A PASS (pin code) (A) appears on the vehicle's HFL software update screen. To start the update, enter this PASS into the HFL control unit update application on the HDS PC.

    NOTE:  If the HandsFreeLink control unit is not able to connect with the HFL control unit update application after 5 minutes, the HandsFreeLink control unit times out. If the HandsFreeLink control unit times out, turn the vehicle to the OFF (LOCK) mode, then go to step 1 and try again.

    GHH195745Courtesy of HONDA, U.S.A., INC.

    8. When the update finishes successfully, the message appears on the vehicle's HFL screen. Select OK to check that the HandsFreeLink control unit is updated. If the unit did not update, turn the vehicle to the OFF (LOCK) mode, and wait at least 2 minutes, then go to step 1 and try again. If you cannot select the HFL from the System Links menu, go to step 9.

    Update success 

    GHH195746Courtesy of HONDA, U.S.A., INC.

    Update failed 

    GHH195747Courtesy of HONDA, U.S.A., INC.

    9. Turn the vehicle to the OFF (LOCK) mode and then the ON mode

    10. Open the HFL control unit update application on the HDS PC

    11. Use the previously used PASS to start the HandsFreeLink control unit update.

    NOTE:  If the HFL update was unsuccessful, the previously used pin code is displayed on the HFL control unit update application on the HDS PC

    12. Update the HandsFreeLink control unit. If you cannot access the HandsFreeLink control unit, restart your HDS PC, then go to step 9

    13. When the update finishes successfully, turn the vehicle to the OFF (LOCK) mode and then the ON mode

    14. Go into the System Diagnostic Mode, and check the HFL S/W (software) version that appears on the vehicle's HFL screen

    15. To end the System Diagnostic Mode, select Return until the map screen is displayed, or turn the vehicle to the OFF (LOCK) mode.