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Home >> Nissan-Datsun >> 2014 >> 370Z Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Security Control System) >> DTC/Circuit Diagnosis >> DTC B2556: Push-Button Ignition Switch >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2013 Nissan 370Z. 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
B2556 PUSH-BUTTON IGNITION SWITCH BCM detects the push-button ignition switch stuck at ON for 100 seconds or more.
  • Harness or connectors

    (Push-button ignition switch circuit is shorted.)

  • Push-button ignition switch
  • BCM
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