Honda HR-V: DTC U1280 (Gauge Control Module) Communication Bus Line Error (BUS-OFF)
DTC (Gauge Control Module)
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.
- If you have any loss of communication DTCs for the PCM, troubleshoot
those DTCs first.
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.
Is DTC U1280 indicated?
YES
Go to MICU DTC U1280 troubleshooting.
NO
Intermittent failure, the system is OK at this time.
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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 (Gauge Control Module)
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
DTC (Gauge Control Module)
NOTE:
Before update the gauge control module, make sure the 12 volt battery in
the vehicle is fully charged, and
connect a 12 volt jumper battery (not a battery charge
SEE MORE:
NOTE:
Do not use this troubleshooting procedure if any of the following items
are operative with the A/C button
and the fan control dial ON: The A/C condenser fan, the radiator fan, or the
A/C compressor. Refer to the symptom troubleshooting index - Refer to:
Heating and A/C Systems Symptom
NOTE:
Air temperature must be between 59-100ºF (15-38ºC) during this
procedure.
After the inspection, you must reset the PCM. Otherwise, the PCM will
continue to stop the fuel
injectors from operating.
The 12 volt battery must be in good condition and fully charged.
1. Starting syste