Diesel Data: Automotive Repair

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 Keyless Access System (Keyless Access Control Unit, Keyless Access Remote Slot Control Unit, and Power Control Unit) Input Test. If the tests prove OK, replace the remote slot control unit Keyless Access System (Keyless Access Control Unit, Keyless Access Remote Slot Control Unit, and Power Control Unit) Input Test.�

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.�