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Home >> Honda >> 2014 >> Accord Plug-In >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 109 (Keyless Access Control Unit - Diagnostics (Except Hybrid)) >> DTC Troubleshooting >> DTC B1640: RF Unit Not Connected
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DTC B1640: RF Unit Not Connected

WARNING: This page is about a different variant/trim than selected.
DTC Description DTC
B1640 RF Unit Not Connected  

DTC (Keyless Access Control Unit)

  1. Problem verification

    - 1. Clear the DTCs with the HDS.

    - 2. Push the door outer handle door lock button to lock the door.

    - 3. Touch the door outer handle touch sensor to unlock the door.

    - 4. Check for DTCs with the HDS.

    DTC Description DTC
    B1640 RF Unit Not Connected  

    Is DTC B1640 indicated?

    YES 

    Replace the keyless access control unit .

    NO 

    Intermittent failure, the system is OK at this time. Check for loose or poor connections.