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DTC U0073 (Body Control Module (Without ACC))

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0073  : F-CAN Communication Bus Line Error (BUS-OFF)

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

DTC Description DTC
U0073 F-CAN communication bus line error (BUS-OFF)  

DTC (Body Control Module)

  1. Problem verification

    -1. Clear the DTCs with the HDS.

    -2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

    -3. Wait for at least 6 seconds.

    -4. Check for DTCs with the HDS.

    DTC Description DTC
    U0073 F-CAN communication bus line error (BUS-OFF)  

    Is DTC U0073 indicated?

    YES 

    Go to DLC Circuit Troubleshooting .

    NO 

    Intermittent failure, the system is OK at this time.