Toyota bulletin 23LJ01a
What it saysRL: The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting certain microchips. NHTSA’s full summary ↓
Toyota filed this with NHTSA as a service bulletin dated Aug 29, 2023, received Oct 16, 2023, about the electrical system. It names 7 model years (2022–2023). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationRL: The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting certain microchips. Affected vehicles have been delivered with only one Smart Key and a second mechanical key.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 23LJ01a | Service bulletin | Aug 29, 2023 | 10244128 | not found |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.
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Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 7 model years this bulletin names have filed 1,712 complaints with NHTSA since 2015. 143 of them name Electrical System — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
The new Tundra most of the features are controlled by the 14-inch Infotainment screen. The screen has gone completely dark and irresponsive to touch, power on/off, and hard reset by the dealership. Given that so many of the truck's safety features are controlled in this system, the vehicle is unsafe to operate.
2023 Toyota Tundra · Electrical System · filed with NHTSA Jul 12, 2023 · ODI 11531790
I was driving on I-91 in stop-and-go traffic when, all of a sudden, my RAV4 stalled. A warning chime sounded and the battery light, check engine light, and power steering light all illuminated. In the 4.2 inch screen in the gauge cluster, the following message displayed: "Steering Power Low"..."Shift to P".
2022 Toyota RAV4 · Electrical System · filed with NHTSA May 21, 2023 · ODI 11523074
The contact owns a 2022 Toyota Tundra. The contact stated that the front view camera had failed on numerous occasions which resulted in several warning lights appearing on the instrument panel. Due to the failure, the vehicle would come to an abrupt stop while driving at various speeds.
2022 Toyota Tundra · Electrical System · filed with NHTSA Nov 3, 2022 · ODI 11492122
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the electrical system
Source: same model, same component group68 other manufacturer communications filed against these Toyota models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Toyota list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| T-SB-0050-26 | Over-the-air update | Aug 19, 2026 | A head unit software update (version 8612G42397) is now available for 2026 model year RAV4 Hybrid, and RAV4 Plug-in Hybrid vehicles via OTA… |
| 26TC02 | Service campaign | Jun 25, 2026 | After calibrating a trailer and using the Trailer Backup Guide feature, subsequent use of this feature may result in a “Trailer not detected… |
| T-TT-0803-26 | Service bulletin | May 21, 2026 | Some 26MY RAV4 HV/PHV vehicles with HU (head unit) versions 1136 or older may exhibit one or more of theintermittent conditions below: • No… |
| T-TT-0800-26 | Service bulletin | May 20, 2026 | Some 2026 RAV4 HV vehicles may display a Distance to Empty (DTE) that is higher than expected at initial fill-up. The DTE is computed using… |
| 22TE09 | Warranty extension | May 14, 2026 | Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36… |
| T-SB-0029-26 | Over-the-air update | Apr 24, 2026 | A new head unit software update is available for 2023 – 2024 model year RAV4, RAV4 Hybrid, and RAV4 Prime vehicles equipped with Toyota Mult… |
| T-SB-0021-26 | Service bulletin | Mar 18, 2026 | Some 2020 – 2024 model year Highlander and Highlander Hybrid vehicles may exhibit a condition in which the air conditioner does not cool due… |
| T-TT-0798-26 | Service bulletin | Feb 4, 2026 | Some systems such as remote engine start and remote door lock/unlock may be inoperative if they are not enabled/registered after ECU replace… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Toyota, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Toyota 23LJ01a a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the 23LJ01a repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every Toyota warranty extension on file lists the ones Toyota has filed.
Which vehicles does 23LJ01a cover?
The manufacturer filed it against 7 model years: 2023 Toyota Camry, 2023 Toyota Highlander, 2022 Toyota Highlander, 2023 Toyota RAV4, 2022 Toyota RAV4, 2023 Toyota Tundra and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.