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Home >> Acura >> 2020 >> ILX >> Repair and Diagnosis >> External Pages >> Different car >> Section 119 (Keyless Access (Backup Control Unit) - Diagnostics (Except Hybrid)) >> DTC Troubleshooting >> DTC B1926

DTC B1926

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DTC B1926  : Backup Control Antenna Open or Short

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

DTC Description DTC
B1926 Backup control antenna open or short  

DTC (Backup Control Unit)

  1. Problem verification

    -1. Clear the DTCs with the HDS.

    -2. Touch the engine start/stop switch with the keyless remote. The buttons on the keyless remote should be facing you.

    -3. While holding the keyless remote against the engine start/stop switch, do this procedure 10 times without pressing the brake pedal: Turn the vehicle to the OFF (LOCK), ACCESSORY, ON, and OFF (LOCK) mode.

    -4. Check for DTCs with the HDS.

    DTC Description DTC
    B1926 Backup control antenna open or short  

    Is DTC B1926 indicated?

    YES 

    Replace the engine start/stop switch .

    NO 

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