TSB L-SB-0036-22 — Lexus Service bulletin

L-SB-0036-22 is a service bulletin on file with NHTSA for the Lexus RX, 2023–2025 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

2Documents filed
1Vehicle named
3Model years

Vehicles and model years L-SB-0036-22 names

VehicleModel years
Lexus RX 2023, 2024, 2025

Every document filed under L-SB-0036-22

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
L-SB-0036-22 Rev2 February 10, 2025 Service bulletin
L-SB-0036-22 Rev2 February 10, 2025 Service bulletin

What L-SB-0036-22 covers

Electrical — the component vocabulary NHTSA files this communication under.

← All Lexus RX TSB years TSB lookup by model

Questions buyers ask

What is TSB L-SB-0036-22?

L-SB-0036-22 is a service bulletin filed with NHTSA by Lexus, covering the Lexus RX across the 2023–2025 model years. NHTSA's summary reads: Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the…

Which vehicles does L-SB-0036-22 cover?

NHTSA's file names Lexus RX (2023–2025). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB L-SB-0036-22 a recall, and is the repair free?

No. L-SB-0036-22 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of L-SB-0036-22?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under L-SB-0036-22, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under L-SB-0036-22. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.