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DTC Detection Logic

WARNING: This page is about a different car, the 2010 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION AND POSSIBLE CAUSES

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