DTC : U1280
DTC U1280 : Backup Control Unit Communication Bus Line Error (BUS-OFF)
| DTC Description | DTC |
|---|---|
| U1280 Backup Control Unit Communication Bus Line Error (BUS-OFF) |
DTC (Backup 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:
- Problem verification
-1. Clear the DTCs with the HDS.
Clear DTCs
- 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- 3. Wait for at least 6 seconds.
- 4. Check for DTCs with the HDS.
DTC Description DTC U1280 Backup Control Unit Communication Bus Line Error (BUS-OFF) Is DTC U1280 indicated?
YES
Go to MICU DTC U1280 troubleshooting - Refer to:
DTC Troubleshooting: U1280 (MICU) (2016 2017 2018) or
DTC Troubleshooting: U1280 (MICU) (2019 2020 2021) .
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections.