DTC B2781: Open / Short in Steering Lock ECU [08/2019 - ]: Procedure
WARNING: This page is about a different car, the 2022 Toyota Sequoia, 2021 Toyota Sequoia, and 2020 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR DTC
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [08/2019 - ]
HINT:
- If the steering cannot be unlocked, the engine switch cannot be turned on (IG) and the engine cannot be started.
- If LIN communication is not available, the steering cannot be locked or unlocked.
Result
Result Proceed to DTC B2785 is not output. A DTC B2785 is output. B
Result:
A
REPLACE STEERING LOCK ECU (UPPER STEERING COLUMN WITH SWITCH BRACKET ASSEMBLY)
for Power Tilt and Power Telescopic Steering Column:
Refer to DISASSEMBLY [08/2019 - ]
for Manual Tilt and Manual Telescopic Steering Column:
Refer to DISASSEMBLY [08/2019 - ]
Result:
B
GO TO LIN COMMUNICATION SYSTEM (DTC B2785). Refer to DTC B2785: Communication Malfunction between ECUs Connected by LIN [08/2019 - ]