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Manufacturer communication · Warranty extension

Toyota warranty extension 26TE03

Toyota filed this with NHTSA as a warranty extension dated May 7, 2026, received Jun 4, 2026, about the engine — 2 documents under this number. It names 4 model years (2021–2024). A warranty extension is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.

What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

Although the Mirai Electric Heater Assemblies are covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers’ ownership experience. Under this program, Toyota is providing additional coverage for repairs related to Mirai electric heater assembly potentially becoming inoperative.

Manufacturer campaign id 26TE03 Kind Warranty extension (also filed as Service bulletin) Manufacturer date May 7, 2026 Received by NHTSA Jun 4, 2026 Components Engine First dated May 6, 2026

Documents filed under this number

DocumentKindDatedNHTSA id
26TE03Warranty extensionMay 7, 202611033404
26TE03Service bulletinMay 6, 202611033403

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5; the full text comes from the manufacturer or a dealer. 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. Quote it at a service desk; it is what the dealer’s system is keyed on.

Model years it names

Source: as the manufacturer filed them

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

Common questions

Source: NHTSA, 49 CFR 579.5

Is Toyota 26TE03 a recall?

No. A warranty extension 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 26TE03 repair free?

A warranty extension is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.

Which vehicles does 26TE03 cover?

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