Service bulletins for the 2023 Maserati Granturismo
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
81 on file from NHTSA, as of 2026-10-19.
By type
By component
By topic
Only bulletins with component: Engine are shown. Show all
| MAS005111_A MTB 26-06 | 2026-05-22. Other. UNKNOWN OR OTHER; ENGINE. Maserati Coolant Fluid Color Change. The previous pink coolant and the new purple coolant are fully compatible and may be mixed without affecting coolant quality, performance, or system behavior. |
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| MAS005111 MTB 26-05 | 2026-04-30. Other. UNKNOWN OR OTHER; ENGINE. Maserati Coolant fluid Color Change from pink to purple. |
| MAS004864 MTB 25-33 | 2025-10-02. Other. UNKNOWN OR OTHER; ENGINE. This bulletin introduces the serviceability of the oil pump bearing on the V6 Nettuno engine. The bearing can now be replaced individually, eliminating the need for complete engine or long block replacement when noise is traced to this component. Models Involved: • Grecale V6 (All MY) • GranTurismo V6 / GranCabrio V6 (All MY) • MC20 / MC20 Cielo / MC20 Pura (All MY) |
| MAS004831 MTB 25-32 | 2025-09-15. Other. ENGINE; UNKNOWN OR OTHER. A new software update is now available for the AGSM (Automatic Gear Shift Module) on Grecale, GranTurismo, and GranCabrio vehicles. This update enhances PRND (Park, Reverse, Neutral, Drive) button responsiveness and simplifies their operation, improving the customer experience. The update is intended to: • Address customer concerns related to button responsiveness • Reduce AGSM module replacements to only cases with confirmed internal faults or complete non-functionality • Limit Blue On Line (BOL) reports to only critical cases |
| MAS004789 DS 25-19 | 2025-07-18. Other. ENGINE; UNKNOWN OR OTHER. This diagnostic sheet is intended to assist technicians in identifying and differentiating engine oil leaks and sweating. |
| MAS004438_A MTB 25-16 | 2025-06-17. Service bulletin. ENGINE; UNKNOWN OR OTHER. This Technical bulletin serves as a diagnostic guide for managing oil leaks and instructing related repairs. This Bulletin requires a BOL to be opened as “Support Request” |
| MAS004438_A MTB 25-16 | 2025-05-16. Other. UNKNOWN OR OTHER; ENGINE. his Technical bulletin serves as a diagnostic guide for managing oil leaks and instructing related repairs. This Bulletin requires a BOL to be opened as “Support Request”. |
| MAS004438 MTB 25-03 | 2025-02-03. Other. ENGINE; UNKNOWN OR OTHER. This Technical information bulletin serves as a diagnostic guide for managing engine oil leaks and instructing related repairs. |
| MAS004490 MTB 24-30 | 2024-12-19. Other. UNKNOWN OR OTHER; ENGINE. his Technical bulletin serves as a guideline and outlines requirements when considering a possible engine replacement on Maserati vehicles. Please refer to Bulletin “MAS004175 PNP 24-01 Light Engine - Long Block Repairs Under Warranty” for further information. |
| MAS004490 MTB 24-30 | 2024-12-19. Other. ENGINE. his Technical bulletin serves as a guideline and outlines requirements when considering a possible engine replacement on Maserati vehicles. Please refer to Bulletin “MAS004175 PNP 24-01 Light Engine - Long Block Repairs Under Warranty” for further information. |
| MAS004226 BOL 24-20 | 2024-05-28. Other. VEHICLE SPEED CONTROL; ENGINE; UNKNOWN OR OTHER. This Diagnostic Sheet serves as a guide and provides additional diagnostic info on how to diagnose possible engine misfires or irregularities, highlighting the importance of refraining from disassembling the Central (Pre-Chamber) spark plugs unless instructed to do so. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.