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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Power Control System (Power Distribution System) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B261A: Push-Button Ignition Switch >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B261A PUSH-BTN IGN SW BCM detects a difference of signal for 1 second or more between the following information.
  • Push-button ignition switch (push switch) signal
  • Push-button ignition switch status signal from IPDM E/R (CAN)
  • Harness or connectors

    (Push-button ignition switch circuit is open or shorted.)

  • BCM
  • IPDM E/R