TSB L-SB-0004-26 — Lexus Service bulletin
L-SB-0004-26 is a service bulletin on file with NHTSA for 2 Lexus models, 2019–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years L-SB-0004-26 names
Every document filed under L-SB-0004-26
| Document ID | Filed | Type |
|---|---|---|
| L-SB-0004-26 | January 23, 2026 | Service bulletin |
What L-SB-0004-26 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB L-SB-0004-26?
L-SB-0004-26 is a service bulletin filed with NHTSA by Lexus, covering 2 Lexus models across the 2019–2022 model years. NHTSA's summary reads: Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.
Which vehicles does L-SB-0004-26 cover?
NHTSA's file names Lexus ES (2019–2022); Lexus RX (2020–2022). 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-0004-26 a recall, and is the repair free?
No. L-SB-0004-26 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-0004-26?
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-0004-26, its date, and NHTSA's own summary from the public file.
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-0004-26. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.