B1381

DTC Troubleshooting: B1381

DTC B1381:

Power Tailgate Closer Unit Release Switch Circuit Malfunction

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. 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 B1381 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 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. Turn the tailgate latch to the fully-closed position using a screwdriver.

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

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





Is there continuity?

YES -

Faulty release switch; replace the tailgate latch Service and Repair.

NO -

Go to step 11.

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





Is there continuity?

YES -

Replace the tailgate latch Service and Repair.

NO -

Go to step 12.

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

13. Check for continuity between power tailgate control unit connector C (14P) terminal No. 4 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.

NO -

Go to step 14.

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

15. Manually release the tailgate latch Service and Repair.

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

17. Check for continuity between power tailgate control unit connector C (14P) terminals No. 4 and No. 11.





Is there continuity?

YES -

Replace the power tailgate control unit Component Tests and General Diagnostics.

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. 6.





Is there continuity?

YES -

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

NO -

Replace the tailgate latch Service and Repair.