Maserati bulletin MAS004221 BOL 24-23
What it saysThis Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible door operation anomalies for GranTurismo. NHTSA’s full summary ↓
Maserati filed this with NHTSA as a manufacturer communication dated Jun 3, 2024, about the structure. It names 4 model years (2023–2025). A manufacturer communication 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 communicationThis Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible door operation anomalies for GranTurismo.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| MAS004221 BOL 24-23 | Other | Jun 3, 2024 | 11000731 | PDF, 239 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.
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 themAlso filed against model years this site has no page for: 2023 Maserati Granturismo; 2024 Maserati Nuova Granturismo.
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 databaseOwners of the 2 model years this bulletin names have filed 2 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.
More bulletins about the structure
Source: same model, same component group9 other manufacturer communications filed against these Maserati models under the same component group (structure), newest first. The eight newest are listed; the rest are on the Maserati list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| MAS005309 MTB 26-15 | Other | Oct 13, 2026 | GranTurismo GranCabrio Door Module Door Opening Malfunction. If the door window loses calibration, the automatic window raise function is di… |
| RAPID UPDATE 816 | Service campaign | Mar 31, 2026 | GranTurismo –Trunk Lock Cover Check. Certain Maserati vehicles listed in MODISCS+ are involved in a Rapid Update to inspect and possibly re… |
| RAPID UPDATE 758 | Service campaign | Oct 8, 2024 | Certain Maserati GranTurismo (M189) GranCabrio (M190) MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to carry out a door adjus… |
| RAPID UPDATE 757 | Service campaign | Oct 8, 2024 | Certain Maserati GranTurismo (M189) and GranCabrio (M190) MY24 listed in MODISCS+ are involved in verifying the correct positioning of the… |
| MAS004043 | Service bulletin | Mar 20, 2024 | Rapid Update to replace both rear wheelhouses (aka inner fender liner) with a new retaining nut. |
| MAS003773 | Service bulletin | Nov 23, 2023 | Rapid Update 664 to carry out a procedure to replace both A-pillar trim. |
| MAS003732 | Service bulletin | Sep 21, 2023 | Rapid Update 654 to carry out a door fitment inspection procedure due to an interference with the fender. |
| MAS003734 | Service bulletin | Aug 3, 2023 | Rapid Update 657 - to update the power lift gate module (PLGM) software. |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Maserati, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Maserati MAS004221 BOL 24-23 a recall?
No. A manufacturer communication 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 MAS004221 BOL 24-23 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 MAS004221 BOL 24-23 cover?
The manufacturer filed it against 4 model years: 2024 Maserati GranTurismo, 2025 Maserati Granturismo, 2023 Maserati Granturismo, 2024 Maserati Nuova Granturismo. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.