2016 Subaru BRZ Series.HyperBlueFACTORY OEM SERVICE PROCEDURE

Steering Column System DTCS

STEERING COLUMN SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST

Diagnostic codes Description
B2781 [Steering Lock ECU Open/Short]
B2782 [Steering lock power supply circuit abnormal (smart ECU-side abnormal)]
B2788 [IGN2 input abnormal]
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.