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Home >> Infiniti >> 2017 >> QX70 AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B2556: Push-Button Ignition Switch >> DTC Logic >> DTC Detection Logic

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 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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