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Service bulletins for the 2025 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.

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

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By component

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Bulletins, newest first
MAS005254 MTB 26-142026-09-18. Other. UNKNOWN OR OTHER. GranTurismo and GranCabrio - Unexpected Alarm Activation . In case of unexpected alarm activation, proceed with software updates to the BCM ECU, with Software Number F188 670363089 ROW. In order to obtain the compatibility of this SW and to complete all the necessary steps and procedures with MDEVO, it is mandatory to open a BOL as Support Request. After updating the software to the version mentioned above, perform the BCM procedure 'BCM Initialization.
MAS005265 MCL 26-172026-08-31. Other. UNKNOWN OR OTHER. To support an accurate battery health assessment and successful certificate generation, all prerequisites below must be completed before submitting the request. Dealers should verify the applicable software campaign status, explain the self-learning cycle to the customer, and confirm the required waiting period has elapsed.
MAS005221 RU 26-142026-08-18. Service campaign. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Due to a software anomaly, the BPCM may not correctly evaluate the battery State of Health (SOH) on some vehicles. This may result in charging limitations and/or an inaccurate estimate of the remaining driving range. These conditions may display incorrect information to the customer and affect the customer's perception of the vehicle's reliability. This service campaign is intended to ensure proper operation of the battery management system.
MAS004705_A MTB 26-132026-07-15. Other. UNKNOWN OR OTHER; POWER TRAIN. Grecale Driveshaft Flex Disc Characteristics This Technical bulletin serves as a guide and provides info regarding wear characteristics of the driveshaft “Flex Disc” and to recognize which condition of this component is considered compliant and therefore avoid unnecessary replacements.
MAS005212 RU 26-122026-07-01. Service campaign. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Maserati GranTurismo – Oil Sensor Wiring Check Certain Maserati vehicles listed in MODISCS+ are involved in a Rapid Update involving inspection and, if necessary, correction of the proper routing of the oil sensor wiring harness located near the alternator.
MAS005188 MTB 26-022026-07-01. Other. UNKNOWN OR OTHER. This Technical Bulletin provides technicians and service personnel with a clear overview of expected BEV behavior in low ambient temperatures. It explains key system characteristics, including battery thermal management and EV Routing, and helps ensure accurate, consistent communication with customers when cold‑weather concerns are reported. A customer information handout is also included with this bulletin for distribution as needed.
MAS005183 MTB 26-092026-07-01. Other. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. GranTurismo / GranCabrio Folgore – High Voltage Battery Fuse Availability. This bulletin provides updated information and further clarification regarding To avoid replacing the entire high voltage battery—with the resulting impact on both costs and vehicle downtime—due to certain fuses within the battery, it has been decided to make these fuses available and serviceable as separate components.
MAS005183 MTB 26-092026-06-18. Other. UNKNOWN OR OTHER. This bulletin provides updated information and further clarification regarding To avoid replacing the entire high voltage battery—with the resulting impact on both costs and vehicle downtime—due to certain fuses within the battery, it has been decided to make these fuses available and serviceable as separate components.
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.
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.
MAS005149 MTB 26-082026-04-30. Other. UNKNOWN OR OTHER. This bulletin informs the Maserati network that the center on certain models is now available as an individual service replacement, eliminating the need to replace the complete central tunnel assembly.
MAS005098 RU 26-072026-04-01. Service campaign. STRUCTURE:BODY; UNKNOWN OR OTHER. GranTurismo –Trunk Lock Cover Check. Certain Maserati vehicles listed in MODISCS+ are involved in a Rapid Update to inspect and possibly replace the rear trunk lock cover.
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.
MAS005057 DS 26-022026-03-18. Other. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Grecale GranTurismo and GranCabrio 12 Volt Battery Best Practices. This Technical bulletin serves as a guide and provides additional diagnostic info on the 12V Battery as well as new updated warranty policies and exceptions.
MAS005053 RU 26-052026-03-03. Service campaign. UNKNOWN OR OTHER. Certain Maserati vehicles listed in MODISCS+ are involved in a Rapid Update campaign to update the OBCM (On-Board Charger Control Module). VEHICLES INVOLVED: • (M189) GranTurismo BEV – MY24, MY25 • (M190) GranCabrio BEV – MY24, MY25 • (M182) Grecale BEV – MY25, MY26 A new OBCM software update has been released to ensure proper charging system operation. This update replaces outdated software versions that may lead to potential charging-system concerns. We remind you that all the Rapid Updates must be performed within the first workshop visit, regardless of the Mandatory setting set in Modis, as required by Maserati policies.
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.
MAS004988 RU 25-342026-01-30. Service campaign. VISIBILITY/WIPER; UNKNOWN OR OTHER. A batch of components intended for assembly may contain contamination, which could affect the positioning of the trim fabric and lead to visible wrinkles. This condition is cosmetic only and does not impact the vehicle’s safety or functionality. Fix: Replace the left windshield A-pillar trim.
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.
MAS004990 MTB 25-462025-12-24. Other. UNKNOWN OR OTHER; SUSPENSION. This bulletin provides updated information regarding the serviceability of the transfer case flange kit for Grecale, GranTurismo, and GranCabrio.
MAS004937 MCL 25-052025-12-24. Other. UNKNOWN OR OTHER. Management and Maintenance of New Maserati In-Stock Vehicles
MAS004936 MTB 25-412025-12-01. Other. STEERING; UNKNOWN OR OTHER. This bulletin provides updated guidance on the serviceability of the multifunction control buttons integrated into the steering wheel of certain Maserati vehicles. For repairs or replacements, the button assembly can now be serviced independently, without replacing the entire steering wheel. These buttons are available as individual sub-components, enabling targeted replacement.
MAS004943 MTB 25-422025-11-19. Other. BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; UNKNOWN OR OTHER. CVPAM Surround View System Diagnosis B228600

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