DTC U1281: Relay Control Module Lost Communication With MICU (MICU Frame)
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Is DTC U1281 indicated?
YES -Replace the relay control module (see REMOVAL AND INSTALLATION ).
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections between the relay control module and the MICU.