Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK USB HARNESS CONNECTION
- Turn ignition switch OFF.
- Visually inspect USB harness connectors M165 and M166 between AV control unit and TCU.
Is the inspection result normal?
YES
GO TO 2 .
NO
Repair or replace USB harness.
- PERFORM DTC CONFIRMATION PROCEDURE AGAIN
Perform DTC confirmation procedure again. Refer to DTC Description .
Is DTC B13D9 detected again?
YES
Replace TCU. Refer to Removal and Installation .
NO
Inspection End.