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Home >> Honda >> 2014 >> Accord Plug-In >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 110 (Keyless Access Power Control Unit - Diagnostics (Except Hybrid)) >> DTC Troubleshooting >> DTC B12A1: Power Control Unit Internal (CPU) Error
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DTC B12A1: Power Control Unit Internal (CPU) Error

WARNING: This page is about a different variant/trim than selected.
DTC Description DTC
B12A1 Power Control Unit Internal (CPU) Error  

DTC (Power Control Unit)

  1. Problem verification

    -1. Clear the DTCs with the HDS.

    - 2. Press the engine start/stop button to select the ON mode.

    - 3. Check for DTCs with the HDS.

    DTC Description DTC
    B12A1 Power Control Unit Internal (CPU) Error  

    Is DTC B12A1 indicated?

    YES 

    Replace the keyless access control unit .

    NO 

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