Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
MAS005184 MTB 26-10
Quattroporte / Ghibli / Levante V6 – Thermostat Gasket Availability This bulletin provides updated information and further clarification regarding the replaceability of the thermostat gasket on V6 engines installed on Quattroporte, Ghibli and Levante.
MAS005111_A MTB 26-06
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 26-05
Maserati Coolant fluid Color Change from pink to purple.
MAS005125 DS 26-07
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.
MAS004816_A MTB 26-04
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
MAS005101 DS 26-06
This bulletin provides instructions for diagnosing and correcting issues with the rear exhaust silencer. These issues may include exhaust noise or bypass valve problems (including DTC P1217 and P2D1100).
MAS005005 MCL 26-04
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 26-01
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.
MAS004937 MCL 25-05
Management and Maintenance of New Maserati In-Stock Vehicles
MAS004996 MCL 25-54
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).
MAS004912 DS 25-33
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).
MAS004918 MTB 25-39
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 25-51
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
MAS004875 MCL 25-44
The purpose of this communication is to clarify the correct procedure for checking the navigation system map version during Pre-Delivery Inspection (PDI). This ensures that the installed maps correspond to the vehicle’s destination country. MODELS AFFECTED: All Maserati models equipped with the factory navigation system.
MAS004862 MCL 25-42
This bulletin provides updated guidance regarding the serviceability of the upper dashboard panel on Maserati Quattroporte vehicles. Beginning with Model Year 2016, it is possible to replace only the upper dashboard panel rather than the complete dashboard assembly. REPLACE THE UPPER DASHBOARD PANEL ONLY IF, the affected area is not repairable per bulletin “MAS004616 MTB 25-07 Ghibli QP Levante Dashboard Leather Repair Procedure”.
MAS004834 DS 25-27
This document outlines the correct diagnostic and evaluation procedure when oil traces or leakage are observed on front or rear shock absorbers. It aims to help technicians distinguish between acceptable oil sweating and genuine component leakage requiring corrective action. MODELS INVOLVED: ALL (All MY).
MAS004832 DS 25-25
This bulletin provides diagnostic guidance for resolving misfire-related engine warning lights (MIL) that are isolated to one bank of cylinders. In many cases, these conditions are caused by improperly torqued ignition coil ground connections. Proper inspection and torque verification can prevent unnecessary repairs and reduce vehicle downtime. Models: Quattroporte (M156), Ghibli (M157), Levante (M161) – V6 and V8 engines (ALL MY)
MAS004833 DS 25-26
This bulletin provides a corrective procedure for addressing false knock sensor DTCs caused by moisture accumulation. The procedure involves performing a controlled warm-up cycle to burn off the moisture from the sensor area, helping to resolve DTCs such as P0327, P0332, P032C, and P033C without unnecessary sensor replacement. Models Involved: (M156) Quattroporte, (M157) Ghibli, (M161) Levante (V6 & V8 engines) ALL MY
MAS004816 MTB 25-30
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. Affected Models (All Model Years) - Quattroporte, Ghibli, and Levante – V8 engines only - MC20 Coupé/Cielo (M240) – with black exhaust finish - Grecale (M182) – with black exhaust finish
MAS004828 MTB 25-28
his bulletin provides technical guidance for addressing complaints related to windshield wiper operation at maximum speed only. TECHDOCS SECTION: 08.00-1 – External Vehicle Services. Affected Models • Quattroporte (M156) (All MY) • Ghibli (M157) (All MY) • Levante (M161) (All MY)
MAS004814 MTB 25-28
This bulletin provides updated information regarding the serviceability of the center tunnel door and trim components on Grecale vehicles. Previously, if there was an issue with the ITM, Homelink buttons or the ceiling light buttons, the complete Ceiling Light assembly had to be replaced. It is now possible to replace individual components instead of the entire unit.
MAS004811 MTB 25-29
This bulletin provides diagnostic guidance for resolving customer concerns related to sunroof noise and water ingress on Levante, Ghibli, and Quattroporte models. It outlines known causes, recommended verification steps, required documentation, and warranty claim procedures to ensure accurate repairs and improved customer satisfaction.
MAS004675_A DS 25-21
This bulletin provides technical guidance for diagnosing and resolving creaking noises from the lower front suspension arm on Ghibli (M157), Quattroporte (M156), and Levante (M161) models. These noises may occur during low-speed manoeuvres, over bumps, or on uneven roads.
MAS004789 DS 25-19
This diagnostic sheet is intended to assist technicians in identifying and differentiating engine oil leaks and sweating.
MAS004745 MTB 25-21
Some vehicles may experience oil leakage from a threaded insert that may be causing a leak in the engine oil pan. This bulletin provides the repair steps to replace the insert and avoid replacing the entire oil pan. MODELS AFFECTED: - Quattroporte (M156) - Ghibli (M157) - Levante (M161) *All with V6 engines only*
MAS004330 MCL 25-31
The Rapid Updates (Campaigns) in the list below will be closed starting from June 16, 2025. Claims received after this date will no longer be accepted. 243 275 288 294 306 326 332 333 337 348 353 355 364 366 371 374 379 385 388 390 395 400 447 448 449 451 452 460 461 462 468 471 477 481 484 520 522 523 540 544 546 565 566 587 588 593 595 600 603 607 610 611 615 642 10272 10364 10443
MAS004589_A MTB 25-22
This bulletin provides clear instructions on how to perform a proper tightening torque check. Follow this procedure when requested or when analyzing the root cause of a fastener-related issue.
MAS004438_A MTB 25-16
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”
MAS004735 MCL 25-28
Stop Field Action. The Rapid Updates (Campaigns) in the list below will be closed starting from May 26, 2025. Claims received after this date will no longer be accepted. Effective from the publication date of this document, the Mandatory Flag will be removed for all campaigns listed, allowing for easier management as we approach the closure period. Campaigns included are 411 and 636
MAS003730_A MTB 25-17
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.
MAS004711 MCL 25-25
The Rapid Updates (Campaigns) in the list below will be closed starting from May 12, 2025. Claims received after this date will no longer be accepted. Effective from the publication date of this document, the Mandatory Flag will be removed for all campaigns listed, allowing for easier management as we approach the closure period
MAS004704 MCL 25-24
After 7 years from the introduction of the Maserati Diagnosi EVO 2 (2nd generation), we inform you that Panasonic can no longer guarantee the repair of the hardware, therefore the swap service (Warranty repair/replacement exchange) may be discontinued during 2025 following the exhaustion of replacement components in stock.
MAS004669 MTB 25-13
Wheel Size Vehicle Config Update Info In case of rim replacement, which may involve the use of tires with a different rolling circumference, please note that a Proxy update is always required to adapt the Vehicle Configuration to the new wheel/tire combination fitted to the vehicle. Also remember that the required pressure can be different depending on the size of wheel rims/tires.
MAS004675 DS 25-10
Noise from the front suspensions while maneuvering. his Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible front suspension anomalies.
MAS004649 MTB 25-12
Special tool (P/N 900029716) for inserting oil seals into the gearbox.
MAS004488 MCL 25-15
This document provides general instructions for the storage of new vehicles, including the new GranTurismo. These instructions should be followed by the personnel responsible for managing Maserati vehicles prior to their final sale to customers. The updates pertain to the maintenance and care of MHEV vehicles equipped with lithium-ion batteries, as well as notes on routine maintenance to be conducted according to the Service Schedule (including engine oil). Additionally, new policies for checking the 12V battery state of charge, applicable only to Grecale, are also outlined.
MAS004385 MCL 25-12
This communication is intended to provide important information on the serviceability of the Crossover and Water Pump installed on Maserati vehicles. To properly face a recurring issue affecting the Crossover of V6 engines, from today it’s possible to replace the Crossover, instead of the complete Timing System Front Cover. Taking this opportunity, we remind you that also the Water Pump can be replaced independently from the complete Timing System Front Cover.
MAS004589 MTB 25-08
This Technical bulletin serves as a guide and provides info with the aim of providing indications about the proper way to perform a tightening torque check, in the case it is needed or requested. In order to allow a proper and effective analysis of the defective route cause.
MAS004616 MTB 25-07
This technical bulletin serves as a guide and provides supplementary information for field management of repairs to Ghibli, Quattroporte and Levante dashboards, specifically addressing the leather detachment issue typically found in the central upper area.
MAS004578 MTB 25-05
This Technical bulletin serves as a guide and provides info for certain anomalies reported in by customers on seat linings that can be mistakenly addressed as a product defect.
MAS004560 DS 25-04
his Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible front suspension anomalies. Noise from the front suspensions while maneuvering.
MAS004438 MTB 25-03
This Technical information bulletin serves as a diagnostic guide for managing engine oil leaks and instructing related repairs.
MAS004442 MTB 25-02
This technical bulletin serves as a guide and provides supplementary information for field management of repairs to the Ghibli and Quattroporte door panel, specifically addressing the leather detachment issue. For field management of related cases, the technician will check on site the availability of a leather specialist who can carry out the below indicated repair.
MAS004490 MTB 24-30
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.
MAS004464 MCL 24-51
As an essential component in the electrical system in Maserati vehicles, the battery plays a crucial role in ensuring reliable performance and safety. To help maintain battery peak condition, and ensure optimal performance, this bulletin covers important warranty policies, and guidelines for testing, maintenance, and diagnosis of batteries using the new E-XTEQ MAXIMUS battery charger/tester. Please refer to the most recently published “BOL Policy” and “Prior Approval Components List” to verify if a BOL Report is required for battery replacement.
MAS004419 MTB 24-35
This technical bulletin provides guidance and additional information on normal shock absorber operations that are often mistakenly identified as defective. It establishes criteria for inspecting and diagnosing shock absorbers for potential leakage to help prevent the unnecessary replacement of non-defective components
MAS003867 BOL 24-29
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible rear exhaust noise anomalies.
MAS004299 MCL 24-43
This bulletin serves as a guide and provides some additional important info for servicing/repairing the rear differential axle seals on certain Maserati vehicles.
MAS004283 MCL 24-38
MDEVO Release 9.8.1 new features • New login interface • Active diagnosis introduction for Go direct function (only for BEV vehicles) • MY25 version for all vehicles, Hard Reset function (Active Diagnosis), specs update, general improvements.
MAS003802 MCL 24-33
Maserati has introduced an HDEV5 injector O-ring replacement kit (PN 900100008) to guarantee the best possible quality for the success of the corresponding replacement operation. This tool makes it possible to replace the individual injectors of the V6 and V8 engines of the Ghibli, Quattroporte and Levante, avoiding complete rail replacement, for the first time in a procedure.
MAS003095 MTB 24-21
This Technical bulletin serves as a guide and provides additional diagnostic info for possible steering wheel vibration when braking. This Bulletin serves as an ADDENDUM to MAS002731
MAS004191 BOL 24-19
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible DTC"P0090 - Fuel Pressure Regulator Control Circuit 1 Open" stored in the engine control unit (ECM).
MAS003821
Technical Information.
MAS002929
Daignostic Sheet.
MAS003792
Technical Information.
MAS003928
Circular Letter.
MAS003929
Circular Letter.
MAS003891
Technical Information.
MAS003844
Diagnostic Sheet.
MAS003895
Technical Information.
MAS002762
Technical Information -Shock Absorber Leaks.
MAS002746
Technical Information - Door Panel Damage when removing the door panel.
MAS002464
Vehicle configuration update after the installtion of wheel rems/tires of different sizes
MAS002067
Technical Bulletin- Brake Rotor Aesthetics
MAS001962
Circular letter - Removal of residual oil in filter housing before removing filter/procedure update.
MAS001652
Diagnostic guide for brake system noise.
MAS001338
New guidelines for use of Blue-On-Line technical support requests and warranty requests for authorization.
MAS001361
Notification of diagnostic server downtime for maintenance.
MAS001319
Notification of changes to the online documentation sites TechInt and TechDoc.
MASB2000227
Gearshift paddle retrofit.
MAS000750
Mechanical adjustment and electronic adjustment of the parking brake.
MTB-153
MASERATI: NEW PROCEDURE TO AVOID THE UNNECESSARY REPLACEMENT OF THE REAR HUB HOLDER. HELI-COIL INSTALLATION PROCEDURE ATTACHED IN THE BULLETIN. *KB
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.