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 ECM IGNITION, POWER AND GROUND CIRCUITS
Check ECM ignition power and ground circuits.
Is the inspection result normal?
YES
Replace ECM. Refer to Removal and Installation (VK56VD) or Removal and Installation (Cummins 5.0L). GO TO 2.
NO
Repair or replace harness or connectors.
- INSPECTION
CONSULT
- Turn ignition switch ON.
- Select "Self Diagnostic Result" mode.
- Touch "ERASE".
- Perform vehicle remote start operation.
Does DTC B261B return?
YES
Replace BCM. Refer to Removal and Installation .
NO
Inspection End.