B1375

DTC Troubleshooting: B1375

DTC B1375: Driver's Door Power Tailgate Switch Circuit Malfunction

NOTE: If the power tailgate motor does not operate, test the motor first.

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

2. Clear the DTCs with the HDS.

3. Operate the driver's door power tailgate switch for more than 1 second.

4. Check for DTCs with the HDS.

Is DTC B1375 indicated?
YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power tailgate control unit and the driver's door power tailgate switch.


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

6. Disconnect the 5P connector from the driver's door power tailgate switch.

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

8. Check for continuity between the power tailgate control unit connector C (14P) terminal No. 5 and body ground.

Is there continuity?
YES - Repair short in the wire.

NO - Go to step 9.






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

10. Check for continuity between the power tailgate control unit connector B (20P) terminal No. 5 and body ground.

Is there continuity?
YES - Repair short in the wire.

NO - Go to step 11.






11. Do the driver's door power tailgate switch test. Driver's Door Power Tailgate Switch Test/Replacement (With Power Tailgate)

Is the switch OK?
YES - Replace the power tailgate control unit.

NO - Replace the driver's door power tailgate switch.