Honda HR-V: DTC U1280 (Keyless Access Control Unit) Keyless Access Control Unit
Communication Bus Line Error (BUS-OFF)
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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:
- Clear the DTCs with the HDS.
Clear DTCs
- Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
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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.
READ NEXT:
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 (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
SEE MORE:
NOTE:
Check the vehicle 12 volt battery condition first.
You must be able to duplicate the customer's concern to successfully
diagnose the problem. If you cannot duplicate the issue, have the customer
demonstrate it.
Check the connectors for poor connections or loose terminals.
1. HFL switc
Disassembly/Reassembly
The fuel filter should be replaced whenever the fuel pressure drops below the
specified value, after making sure
that the fuel pump and the fuel pressure regulator are OK.
NOTE: Unless otherwise indicated, illustrations used in the procedure are for
USA and Canada models
Fue