DTC U1283: Gauge Control Module Lost Communication with Passenger's MICU
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), or press the engine start/stop button to select the OFF mode and then the ON mode
- Wait for at least 6 seconds
- Check for DTCs with the HDS
Is DTC U1283 indicated?
YES -Go to the passenger's MICU input test, and do all power, ground, and communication input tests (see MICU INPUT TEST ) If the tests prove OK, replace the passenger's under-dash fuse/relay box (see PASSENGER'S UNDER-DASH FUSE/RELAY BOX (MICU) REMOVAL/INSTALLATION )
NO -Intermittent failure, the system is OK at this time Check for loose or poor connections at passenger's under-dash fuse/relay box connector A (38P) and the related units