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.
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 (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:
Removal & Installation
1. Rear Inner Fender - Remove (Left Side) - Refer to: Front Inner Fender
Removal and Installation, or
Rear Inner Fender Removal and Installation
2. Fuel Cap Adapter - Remove
Remove the fuel cap (A).
Remove the hose (A), then release the clips (B).
Remove the fu
ENGINE CONFIGURATION
Fig. 2: Engine Configuration With Drive Belt Routing And Egine Rotation
CHECK
THROTTLE BODY CARBON ACCUMULATION CHECK
Test
1. HDS - Connect
2. Throttle Body - Test
Start the engine. Hold the engine speed at 3, 000 rpm without load (CVT
in P or N, M/T in neutral)
until the