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Service bulletins for the 2025 Maserati MC20

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.

53 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
MAS005186 MCL 26-162026-08-03. Other. ENGINE; UNKNOWN OR OTHER. We are informing you that tool p/n 900100024 has been updated with an additional component designed to improve the oil seal installation process on V6 Nettuno engines. This added component helps ensure consistent, accurate positioning of the oil seal in its seat by compensating for dimensional gaps and seal tolerances. It also improves process reliability by helping maintain proper installation conditions, even when tool usage is not optimal.
MAS005192 RU 26-102026-07-01. Service campaign. UNKNOWN OR OTHER. MC20 Cielo Door Latch Module Software Update. Certain Maserati vehicles listed in MODISCS+ are involved in a Rapid Update to SW updates to the LSMD and LSMP modules.
MAS005189 MTB 26-122026-07-01. Other. SEATS; UNKNOWN OR OTHER. MC20 Seat Strap Button Repair Procedure. This bulletin provides guidance to the Service Network on the procedure required to restore the seat strap button on MC20; this procedure avoids replacement of the complete seat.
MAS005162 RU 26-082026-05-22. Service campaign. UNKNOWN OR OTHER. Some vehicles may exhibit a concern related to the Remote Start timer. In these cases, the Body Control Module (BCM) may not correctly align the expected timer behavior with the vehicle’s actual response time. This timing mismatch can interrupt the procedure and cause the remote start function to fail. A software update is required to correct the timer settings and ensure the Remote Start procedure completes successfully.
MAS005111_A MTB 26-062026-05-22. 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.
MAS005131 MCL 26-092026-04-30. Service campaign. UNKNOWN OR OTHER. Effective immediately! Rapid Update #819 – MC20 BCM SW Update has been temporarily suspended. This decision follows the identification of potential Drive Mode Selector (DSCM) malfunctions observed on some vehicles after the execution of the RU 819 software update, which is currently under in-depth technical investigation by HQ.
MAS005125 DS 26-072026-04-30. Other. WHEELS; UNKNOWN OR OTHER. This Diagnostic Sheet provides updated diagnostic and repair guidance for a potential wheel hub clicking noise condition on M182 Grecale ICE vehicles (all model years). The procedures outlined are intended to assist technicians in accurately identifying and correcting axle shaft and wheel hub related noise concerns that may be present during low‑speed operation, reversing, or initial vehicle launch.
MAS005111 MTB 26-052026-04-30. Other. UNKNOWN OR OTHER; ENGINE. Maserati Coolant fluid Color Change from pink to purple.
MAS005131 MCL 26-092026-04-17. Service campaign. UNKNOWN OR OTHER. This decision follows the identification of potential Drive Mode Selector (DSCM) malfunctions observed on some vehicles after the execution of the RU 819 software update, which is currently under in-depth technical investigation by HQ. Effective immediately! Rapid Update #819 – MC20 BCM SW Update has been temporarily suspended
MAS005093 DS 26-052026-04-17. Other. UNKNOWN OR OTHER; STEERING. This diagnosis sheet is issued to provide guidance for the correct troubleshooting of MC20 transmission anomalies and the newly available lower‑level repair options. Gearbox diagnosis
MAS004816_A MTB 26-042026-04-17. Other. FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER. This bulletin outlines the refinishing procedure for restoring the black coating on exhaust tips affected by peeling or flaking paint. This validated process is intended to avoid unnecessary replacement of the entire exhaust silencer assembly
MAS005090 RU 26-062026-04-01. Service campaign. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Certain Maserati vehicles + are involved in a Rapid Update to update the Body Control Module (BCM) Software that exhibit a concern related to the Remote Start timer
MAS005068 DS 26-032026-04-01. Other. UNKNOWN OR OTHER. R1 Radio Restore Procedure After Software Update, MODELS: MY21+ all models equipped with R1 Radio, up to software version U39.19.
MAS005005 MCL 26-042026-03-03. Other. UNKNOWN OR OTHER. A new software release “Jakarta 10.04.00” is now available for the MD and MDEVO/MDEVO2/MDEVO3. This update brings: • A new user interface for the software update application. • A cybersecurity layer that protects communication with diagnostic and update servers. Once installed, the cybersecurity layer runs in the background. The main change users will notice is how the software update client looks and behaves. To get the new update app, your diagnostic tools must complete installation of Jakarta 10.04.00 or higher.
MAS005035 MTB 26-012026-02-17. Other. UNKNOWN OR OTHER. Maserati has created eight new special tools. These tools are mandatory and will be listed in the ModisCS+ Special Tools Catalog. Please also note that this catalog lists all the special tools already in use that are compatible and required for vehicle maintenance. Therefore, it is important to check this section to ensure the tools are available in your workshop.
MAS004999 RU 26-012026-01-30. Service campaign. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Some MC20 vehicles may have a ceiling light clip near the windshield that is not fully seated. If the clip moves, it can cause minor noise or vibration. This does not affect safety or function but may be annoying. This update ensures the clip is correctly positioned for best performance.
MAS004996 MCL 25-542025-12-24. Other. UNKNOWN OR OTHER. This bulletin provides guidance on proper storage practices for Maserati vehicles in dealer inventory to minimize deterioration of premium interior components (leather, wood and carbon fiber).
MAS004995 MTB 25-472025-12-24. Other. UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. This bulletin provides updated information regarding the serviceability of the in-tank fuel pumps for MC20, GranTurismo, and GranCabrio.
MAS004937 MCL 25-052025-12-24. Other. UNKNOWN OR OTHER. Management and Maintenance of New Maserati In-Stock Vehicles
MAS004975 RU 25-332025-12-24. Service campaign. UNKNOWN OR OTHER. Glove Box Strikers Replacement. Analysis has identified that the existing brackets may experience increased stress over time, which could lead to the development of cracks in the plastic components. To maintain optimal reliability and prevent any potential inconvenience to the customer, both brackets will be replaced as a preventive measure
MAS004918 MTB 25-392025-10-31. Other. UNKNOWN OR OTHER. The purpose of this communication is to provide a guideline concerning the execution of ECU software updates (ECUs) and to clarify how the EVO checks the availability of software updates for the ECUs installed in the vehicle.
MAS004914 MCL 25-512025-10-31. Other. UNKNOWN OR OTHER. The Rapid Update campaigns listed in the attachment will be closed according to the following schedule: Field Action LIST – 1° batch Campaign Number Campaign Description Closure Date 517 MCA TBM FOTA update 4.34 SQDF missing data 20/10/2025 529 MC20 MY22 coolant leakage from water pump (idler replacement) 20/10/2025 549 M161 V8 cavo motore L 20/10/2025 576 MC20 Door striker baseplate detachment 20/10/2025 585 MC20 MY22 Half Shafts Replacement 20/10/2025 Field Action LIST – 2° batch Campaign Number Campaign Description Closure Date 643 M240 sbiancamento guarnizione porta 12/12/2025 669 M189 Air Spring check 12/12/2025 684 M189 Leak from Air Spring - Extension 12/12/2025 689 M182 RFHM Repositioning 12/12/2025 705 M240 Tremec transmission leak 12/12/2025 712 M189 M190 MY24 - Air Suspension Full Customer Protection (ALLUMINUM SOL) 12/12/2025 715 M189 Multi-SW Updates Regrouping (BCM-CVPAMPLGM-BSM-ICS-IPC) 12/12/2025 720 M240 DCSD SW Update 12/12/2025 724 M240 ECM SW Update 12/12/2025 725 M189 M190 Multi-HW 12/12/2025 726 M182 Door to body 12/12/2025 727 GC Wrong TBM EMEA-NAFTA 12/12/2025 728 M189 BEV - Front HalfShaft screws loosening 12/12/202
MAS004912 DS 25-332025-10-31. Other. FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER. This bulletin provides updated diagnostic and repair instructions for identifying and addressing corrosion-related concerns in the low-pressure fuel pump on all Maserati models equipped with internal combustion engines (ICE).
MAS004902 DS 25-322025-10-31. Other. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This bulletin provides updated diagnostic procedures for identifying and resolving issues related to the parking sensor system on select Maserati models. It outlines steps to verify sensor condition, identify false alerts, and determine when replacement or further support is necessary.
MAS004864 MTB 25-332025-10-02. 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)

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.