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Home >> Infiniti >> 2012 >> G37 IPL, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (Security Control System (Sedan)) >> DTC/Circuit Diagnosis >> DTC B2555: Stop Lamp >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

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DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2555 STOP LAMP BCM makes a comparison between the upper voltage and lower voltage of stop lamp switch. It judges from their values to detect the malfunctioning circuit.
  • Harness or connectors

    (stop lamp switch circuit is open or shorted)

  • Stop lamp switch
  • Fuse