DTC U1280 (Keyless Access Control Unit): Notes

DTC U1280 : B-CAN communication bus line error (BUS-OFF)

How to use this service information .

NOTE:

Before you troubleshoot, review the How to Troubleshoot .
Troubleshoot the following DTCs first, if stored at the same time.
1. -
  Network Communications [CAN Gateway]: DTC U1280-00

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 1 and Test Mode 2 (without the HDS) or Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks or Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode B - Control Unit Not Communicating .