U1289
DTC Troubleshooting: U1289
DTC U1289:
Gauge Control Module Lost Communication With Remote Slot Control Unit
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.
1. Clear the DTCs with the HDS.
2. Press the engine start/stop button to select the OFF, ACC, ON, and OFF mode.
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC U1289 indicated?
YES -
Go to the remote slot control unit input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the remote slot control unit.�
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections at the remote slot control unit 40P connector and the related units.�