B1380

DTC Troubleshooting: B1380

DTC B1380:

Power Tailgate Closer Unit Neutral Switch Circuit Malfunction

1. Open the tailgate with the tailgate outer handle switch.

2. Close the tailgate manually.

3. 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.

4. Clear the DTCs with the HDS.

5. Check for DTCs with the HDS.

Is DTC B1380 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power tailgate control unit and the power tailgate closer unit.�

6. Open the tailgate with the power tailgate outer handle switch.

7. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

8. Disconnect power tailgate closer unit connector B (6P) Power Tailgate Latch/Ratchet Switch Test.

9. Check for continuity between power tailgate closer unit connector B (6P) terminals No. 1 and No. 5.





Is there continuity?

YES -

Faulty neutral switch; replace the tailgate latch Service and Repair.�

NO -

Go to step 10.

10. Check for continuity between power tailgate closer unit connector B (6P) terminal No. 5 and body ground.





Is there continuity?

YES -

Replace the tailgate latch Service and Repair.�

NO -

Go to step 11.

11. Disconnect power tailgate control unit connector C (14P).

12. Check for continuity between power tailgate control unit connector C (14P) terminal No. 3 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 13.

13. Turn the tailgate latch to the fully-closed position using a screwdriver.

14. Disconnect power tailgate control unit connector B (20P).

15. Manually release the tailgate latch Service and Repair.

16. Reconnect the power tailgate closer unit connector B (6P).

17. Check for continuity between power tailgate control unit connector C (14P) terminals No. 3 and No. 11.





Is there continuity?

YES -

Replace the power tailgate control unit Service and Repair.�

NO -

Go to step 18.

18. Disconnect power tailgate closer unit connector B (6P).

19. Check for continuity between power tailgate closer unit connector B (6P) terminals No. 1 and No. 5.





Is there continuity?

YES -

Repair an open or high resistance in the wire between the power tailgate closer unit and the power tailgate control unit.�

NO -

Replace the tailgate latch Service and Repair.�