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Home >> Infiniti >> 2016 >> QX50 AWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B2556: Push-Button Ignition Switch >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2556 PUSH-BUTTON IGNITION SWITCH 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
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