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HOMESERVICE MANUALSTOYOTA2025HIGHLANDER XLE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSSMART KEY SYSTEM (FOR START, EXCEPT HV) - DIAGNOSTIC CODES (1 OF 2)SMART KEY SYSTEM (FOR START FUNCTION, GASOLINE MODEL)DTC B2285: STEERING LOCK POSITION SIGNAL CIRCUIT MALFUNCTION [12/2019 - 10/2021]DESCRIPTION
2025 Toyota Highlander XLE, FWD

DTC B2285: Steering Lock Position Signal Circuit Malfunction [12/2019 - 10/2021]: Description

2025 Toyota Highlander XLE, FWDSECTION Description

This DTC is stored when the steering lock position signal sent by the steering lock ECU (steering lock actuator or upper bracket assembly) via direct line and the steering lock position signal sent via LIN communication do not match.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B2285 Steering Lock Position Signal Circuit Malfunction The steering lock position signal sent by the steering lock ECU (steering lock actuator or upper bracket assembly) via direct line and the steering lock position signal sent via LIN communication do not match. (1-trip detection logic*1)
  • LIN communication system
  • Steering lock ECU (steering lock actuator or upper bracket assembly)
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector
  • DCM (telematics transceiver)*2
 DTC Output Confirmation Operation: 
  1. Disconnect the cable from the negative (-) auxiliary battery terminal, wait 30 seconds and then reconnect the cable to the negative (-) auxiliary battery terminal. Wait at least 40 seconds with the ignition switch off (wait is the steering locked), then turn the ignition switch to ON (steering unlocked) and wait at least 40 seconds.
  1. *1: Only detected while a malfunction is present and the ignition switch is ON.
  2. *2: for Toyota Entune Remote Connect Compatible Type
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED

Vehicle Condition when Malfunction Detected Fail-safe Function when Malfunction Detected
The engine cannot be started. The ECU does not send an engine start request.
RELATED DATA LIST AND ACTIVE TEST ITEMS

DTC No. Data List and Active Test
B2285 Power Source Control 
  1. Steering Unlock Switch

Smart Key 

  • Power Supply Short
  • Motor Driver Short
  • Lock Bar Stuck Error
RENDER: 1.0x

NO RELATED

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