U0131

DTC Troubleshooting: U0131

DTC U0131:

Gauge Control Module Lost Communication With EPS 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. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC U0131 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections.�

5. Check for EPS DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Are any DTCs indicated?

YES -

Go to the indicated DTC's troubleshooting, then recheck.�

NO -

Go to step 6.

6. Turn the ignition switch to LOCK (0).

7. Disconnect the gauge control module 32P connector.

8. Disconnect EPS control unit connector A (11P).

9. Check for continuity between gauge control module 32P connector terminal No. 19 and No. 20 and EPS control unit connector A (11P) terminal No. 7 and No. 9 respectively.





Is there continuity?

YES -

Go to step 10.

NO -

Repair an open or high resistance in the wire.�

10. Reconnect the gauge control module 32P connector and EPS control unit connector A (11P).

11. Clear the DTCs with the HDS.

12. Turn the ignition switch to LOCK (0) and then back to ON (II).

13. Wait for at least 6 seconds.

14. Check for DTCs with the HDS.

Is DTC U0131 indicated?

YES -

Replace the gauge control module Service and Repair.�

NO -

Replace the EPS control unit Service and Repair.�