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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B261B: Remote Engine Start Operation Status Fault >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX80. 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 LOGIC .
  • If DTC B261B is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC LOGIC .
  • If DTC B261B is displayed with DTC B26F1, first perform the trouble diagnosis for DTC B26F1. Refer to DIAGNOSIS PROCEDURE .
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
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