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Home >> Infiniti >> 2013 >> QX56 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 308 (Security Control System (Except CROSSCABRIOLET)) >> DTC/Circuit Diagnosis >> DTC B2556: 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 2013 Nissan Murano. 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-BTN IGN SW BCM detects the push-button ignition switch stuck to ON for 100 seconds or more
  • Harness or connectors (Push-button ignition switch circuit is shorted.)
  • Push-button ignition switch
  • BCM