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Home >> Nissan-Datsun >> 2014 >> Leaf SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Security Control System) >> DTC/Circuit Diagnosis >> DTC B2556: Power Switch >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2013 Nissan Leaf. 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 ENG START SW(1) BCM detects the power switch stuck at ON for 100 seconds or more.
  • Harness or connectors

    (Power switch circuit is shorted.)

  • Power switch
  • BCM
(1) "ENG START SW" is indicated on CONSULT screen, however this means power switch on this vehicle.
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