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Home >> Lexus >> 2012 >> LS 460 AWD >> Repair and Diagnosis >> Electrical >> Starter >> Smart Access System With Push-Button Start (Diagnostic Codes & Symptom Tests) >> Smart Access System With Push-Button Start >> DTC B2285, B2288: Steering Lock Position Signal Circuit Malfunction; Steering Lock Signal Circuit Malfunction >> Description
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DTC B2285, B2288: Steering Lock Position Signal Circuit Malfunction; Steering Lock Signal Circuit Malfunction: Description

The main body ECU and the steering lock ECU are connected by a cable and the LIN communication line. These DTCs are output when: 1) signals, transmitted through the cable and the communication line, do not match; or 2) a malfunction is detected in the circuit between the main body ECU and the steering lock ECU.

DTC Code Detection Condition Trouble Area
B2285 Cable and LIN information between main body ECU and steering lock ECU are inconsistent
  • Main body ECU
  • Steering lock ECU
  • Harness or connector
B2288 After turning engine switch from off to on (IG), steering wheel does not unlock for certain period of time (ECU unlocks steering wheel only when it receives unlock signal from LIN communication and cable)
  • Main body ECU
  • Steering lock ECU
  • Harness or connector