B1381

DTC Troubleshooting: B1381

DTC B1381:

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).

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 tailgate closer unit.�

6. Open the tailgate with the tailgate outer handle.

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

8. Disconnect the 6P connector from the power tailgate closer unit.

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





Is there continuity?

YES -

Faulty release switch, replace the power tailgate closer unit Tailgate Latch Replacement.�

NO -

Go to step 10.

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





Is there continuity?

YES -

Replace the power tailgate closer unit Tailgate Latch Replacement.�

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. 4 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 13.

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

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

15. Connect battery power to power tailgate control unit connector B (20P) terminal No. 9 and ground terminal No. 20 momentarily. (The motor should run in the release direction.)





Is the motor OK?

YES -

Go to step 16.

NO -

Repair an open or high resistance in the wire between the power tailgate control unit and the power tailgate closer unit. If the wire harness is OK, replace the power tailgate closer unit Tailgate Latch Replacement.�

16. 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.�

NO -

Go to step 17.

17. Disconnect the 6P connector from the tailgate closer unit.

18. Check for continuity between power tailgate closer unit 6P connector terminals No. 1 and No. 6.





Is there continuity?

YES -

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

NO -

Replace the power tailgate latch assembly Tailgate Latch Replacement.�