2005 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Steering Lock System DTCS

STEERING LOCK SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
DTC B2775 INTERIOR VERIFICATION ABNORMAL (TO THEFT DETERRENT ECU)
DTC B2776 STEERING LOCK MOTOR MALFUNCTION
DTC B2777 +B CIRCUIT MALFUNCTION
DTC B2778 INTERLOCK CABLE MALFUNCTION
DTC B2780 PUSH SWITCH/KEY UNLOCK WARNING SWITCH MALFUNCTION
DTC B2799 ENGINE IMMOBILIZER SYSTEM MALFUNCTION
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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