DTC B2285-62: Steering Lock Position Signal Compare Failure [10/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is stored when there is no continuity between terminal SLP of the certification ECU (smart key ECU assembly) and ground.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Priority	Note
B2285-62	Steering Lock Position Signal Compare Failure	This DTC is stored when there is no continuity between terminal SLP of the certification ECU (smart key ECU assembly) and ground.	Certification ECU (smart key ECU assembly) Wire harness or connector	Power Source Control	B	DTC Output Confirmation Operation: 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, then turn the ignition switch to ON and wait at least 40 seconds.

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
B2285-62	-