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Service campaign MAS004396 RU 24-31

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11008216
Published by NHTSA2024-10-01
Manufacturer's numberMAS004396 RU 24-31
Manufacturer's date2024-09-27
Campaign id or software versionRapid Update 754
NHTSA componentUNKNOWN OR OTHER; ENGINE

NHTSA's summary

Certain Maserati GranTurismo (M189) and GranCabrio (M190) MY24 listed in MODISCS+ are involved in a Rapid Update to update the ECM (Engine Control Module) software.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
MASERATI GRANCABRIO2024
MASERATI GRANTURISMO2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
MAS005111_A MTB 26-062026-05-22. Other. 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.
MAS005111 MTB 26-052026-04-30. Other. Maserati Coolant fluid Color Change from pink to purple.
MAS004864 MTB 25-332025-10-02. Other. 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 25-322025-09-15. 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 25-192025-07-18. Other. This diagnostic sheet is intended to assist technicians in identifying and differentiating engine oil leaks and sweating.
MAS004438_A MTB 25-162025-06-17. Service bulletin. 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 25-162025-05-16. Other. 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 25-032025-02-03. Other. This Technical information bulletin serves as a diagnostic guide for managing engine oil leaks and instructing related repairs.
MAS004490 MTB 24-302024-12-19. Other. 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 24-302024-12-19. Other. 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.