LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2014 >> ILX Base, 2.4L Eng >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 89 (Keyless Access Control Unit - Diagnostics (Hybrid)) >> DTC Troubleshooting >> DTC U1280: Keyless Access ECU Bus Line Error
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U1280: Keyless Access ECU Bus Line Error

WARNING: This page is about a different variant/trim than selected.
DTC Description DTC
U1280 Keyless Access ECU Bus Line Error  

DTC (Keyless Access Control Unit)

  1. Problem verification:

    - 1. Clear the DTCs with the HDS.

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

    - 3. Wait for at least 6 seconds.

    - 4. Check for DTCs with the HDS.

    DTC Description DTC
    U1280 Keyless Access ECU Bus Line Error  

    Is DTC U1280 indicated?

    YES 

    Go to MICU DTC U1280 troubleshooting .

    NO 

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