Lamborghini bulletin L74X-A.05.26
What it saysCarPlay connection improvements for the infotainment system; Diagnostic improvements for DTCs without P code information for the OBC; Improved management and performance optimization of the DC DC converter NHTSA’s full summary ↓
Lamborghini filed this with NHTSA as a service bulletin dated Feb 19, 2026, received Mar 5, 2026, about the electrical system. It names 1 model year (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 communicationCarPlay connection improvements for the infotainment system; Diagnostic improvements for DTCs without P code information for the OBC; Improved management and performance optimization of the DC DC converter
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| L74X-A.05.26 | Service bulletin | Feb 19, 2026 | 11029722 | PDF, 1,502 KB |
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.
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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More bulletins about the electrical system
Source: same model, same component group1 other manufacturer communication filed against the Lamborghini Revuelto under the same component group (electrical system), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| L74X-A.08.26 | Service campaign | Feb 19, 2026 | CarPlay connection improvements for the infotainment system; Diagnostic improvements for DTCs without P code information for the OBC; Improv… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Lamborghini, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Lamborghini L74X-A.05.26 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 L74X-A.05.26 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.
Which vehicles does L74X-A.05.26 cover?
The manufacturer filed it against 1 model year: 2024 Lamborghini Revuelto. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.