Honda HR-V Owners & Service Manuals

Honda HR-V: DTC U1280 (Keyless Access Control Unit) Keyless Access Control Unit Communication Bus Line Error (BUS-OFF)

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Keyless Access Control Unit - Diagnostics / DTC U1280 (Keyless Access Control Unit) Keyless Access Control Unit Communication Bus Line Error (BUS-OFF)

Keyless Access Control Unit - Diagnostics

DTC (Keyless Access 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 Control Unit - Diagnostics

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.

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