Honda HR-V Owners & Service Manuals

Honda HR-V: DTC U0073 F-CAN Communication Bus Line Error

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Keyless Access Power Control Unit - Diagnostics / DTC U0073 F-CAN Communication Bus Line Error

Keyless Access Power Control Unit - Diagnostics

DTC (Power Control Unit)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks.

1. Problem verification:

  1. Clear the DTCs with the HDS.

Clear DTCs

  1. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
  2. Wait for at least 6 seconds.
  3. Check for DTCs with the HDS.

Keyless Access Power Control Unit - Diagnostics

Is DTC U0073 indicated?

YES

Go to DLC Circuit Troubleshooting.

NO

Intermittent failure, the system is OK at this time.

    READ NEXT:

     DTC U0100, U0122 (Keyless Access Power Control Unit)

    NOTE: Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below. The DTC may be stored due to the grounding failure o

     DTC U1280 (Keyless Access Power Control Unit)

    DTC (Power Control Unit) NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN

     DTC U1281, U128D (Keyless Access Power Control Unit)

    NOTE: Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below. The DTC may be stored due to the grounding failure or

    SEE MORE:

     No Sound Is Heard From The Speaker (s) (Display Is Normal) (Without Navigation, Color Audio Type (5-inch Screen) )

    NOTE: Check the vehicle 12 volt battery condition first. Set the fader and the balance positions to the center. Before doing this troubleshooting, go to Audio unit power switch will not turn on (No information display and no sound). Check the connectors for poor connections or loose terminals

     DTC U1281 (Gauge Control Module) Lost Communication With MICU (MICU Frame)

    NOTE: Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below. The DTC may be stored due to the grounding failure or the power source failure at the transmitting control unit (the grounding inspection and the pow

    © 2019-2025 Copyright www.hohrv2.com