Manufacturer communication · Service bulletin

Toyota bulletin TTT073723

What it saysTT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. NHTSA’s full summary ↓

Toyota filed this with NHTSA as a service bulletin dated Aug 17, 2023, received Oct 16, 2023, about the communication. It names 132 model years (2017–2024). 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 communication

TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features. Toyota has developed and provided the following Telematics Diagnostic Guide to assist dealer technicians.

Kind Service bulletin Manufacturer date Aug 17, 2023 Received by NHTSA Oct 16, 2023 Components Communication

Document filed under this number

Document	Kind	Dated	NHTSA id	At NHTSA
TTT073723	Service bulletin	Aug 17, 2023	10244111	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.

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Model years it names

Source: as the manufacturer filed them

Also filed against model years this site has no page for: 2021 Toyota 86; 2022 Toyota Land Cruiser.

A 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 database

Owners of the 130 model years this bulletin names have filed 13,282 complaints with NHTSA since 2015.

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.

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.

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Common questions

Source: NHTSA, 49 CFR 579.5

Is Toyota TTT073723 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 TTT073723 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 TTT073723 cover?

The manufacturer filed it against 132 model years: 2024 Toyota 4Runner, 2023 Toyota 4Runner, 2022 Toyota 4Runner, 2021 Toyota 4Runner, 2020 Toyota 4Runner, 2019 Toyota 4Runner and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.

From here

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