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Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 26 (Security Control System) >> DTC/Circuit Diagnosis >> DTC B210A: Steering Lock Unit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B210A STRG LCK STATE SW IPDM E/R detects the difference between steering condition switches 1 and 2 signals for 1 second.
  • Harness or connectors (Steering lock unit circuit is open or shorted.)
  • Steering lock unit
  • IPDM E/R
  • BCM