DTC U1280 (Keyless Access Backup Control Unit): Notes
DTC U1280 : B-CAN Communication Bus Line Error (Bus-Off)
How To Use This Service Information .
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 .
- Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Body Electrical (2019 2020 2021) or How to Troubleshoot the Body Electrical (2022 2023) .
- Troubleshoot the following DTCs first, if stored at the same time.
- Body Control Module DTC U1280