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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Security Control System (DTCS)) >> BCM (BCM) >> DTC B261B: Remote Engine Start >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2020 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If DTC B261B is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description
  • If DTC B261B is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Description
  • If DTC B261B is displayed with DTC B26F1, first perform the trouble diagnosis for DTC B26F1. Refer to DTC Description

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B261B

RES ENG RUN STUCK MALFNC

Engine status signal, which is received from ECM via CAN communication 10 seconds after BCM stops engine while remote engine start function is in operation, indicates that engine is in operation status.

  • Harness or connectors

    [Ignition relay (IPDM E/R) control circuit is open or shorted.]

  • Harness or connectors

    (CAN communication line is open or shorted.)

  • BCM
  • ECM