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.
MAS005261 RU 26-18
Grecale – BCM Parameter Alignment. Due to a manufacturing anomaly, on some vehicles the timing parameter for locking the doors with the keys inside the passenger compartment may not be correctly configured. The function, known as the “surfer maneuver”, can be selected by the customer and may therefore not be correctly set.
MAS004705_A MTB 26-13
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.
Page 1 of 2 TECHNICAL SER
Grecale MHEV – Updated Transmission Removal Procedure for Fuel System Repairs For Grecale Hybrid (MHEV) vehicles, repairs involving the high-pressure fuel pump area or the associated high-pressure fuel lines previously required removal of the complete powertrain assembly.
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.
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.
MAS005111 MTB 26-05
Maserati Coolant fluid Color Change from pink to purple.
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
MAS005068 DS 26-03
R1 Radio Restore Procedure After Software Update, MODELS: MY21+ all models equipped with R1 Radio, up to software version U39.19.
MAS005092 DS 26-04
Grecale MHEV – Turbocharger Inspection Procedure for Whistling Noise. This bulletin provides guidance to the service network regarding the checks to be performed on the turbocharger when the only symptom reported is a whistling noise during acceleration. This communication originates from several cases where the noise was not caused by the turbocharger itself, but by the gasket located between the turbocharger and the cylinder head.
MAS005057 DS 26-02
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.
MAS005052 DS 26-01
This bulletin provides a targeted inspection for a front engine-bay wiring harness section on Grecale (M182) vehicles when certain electrical symptoms are present. It describes how to access the area beneath the FDU and identify the specific harness segment that requires attention. If issues are found, it outlines the approved wiring repair and proper harness repositioning to help prevent future concerns.
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.
MAS005001_A RU 26-04
Certain Maserati vehicles listed in MODISCS+ are involved in a Rapid Update to install the latest software on multiple ECU modules. VEHICLES INVOLVED: (M182) Grecale MY23, MY24 and MY25
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.
MAS005001 RU 26-02
Certain Maserati vehicles listed in MODISCS+ are involved in a Rapid Update to install the latest software on multiple ECU modules.
MAS004990 MTB 25-46
This bulletin provides updated information regarding the serviceability of the transfer case flange kit for Grecale, GranTurismo, and GranCabrio.
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).
MAS004974 DS 25-37
Rear Differential Oil Leakage This Diagnostic Sheet serves as a guide and provides additional diagnostic info related to rear differential unit seals on half shafts
MAS004952 DS 25-36
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible issues potentially affecting the oil pump/sensor.
MAS004961 MTB 25-45
Coolant leakage from component “Intercooler outlet sleeve” (name of the PN in Technical Documentation)/ MIL light ON due to BSG failure (due to coolant contamination). Grecale MHEV (All MY)
MAS004936 MTB 25-41
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.
MAS004939 MTB 25-43
This bulletin provides instructions for checking engine radiator leaks. The purpose of this procedure is to confirm leaks with clear evidence, prevent unnecessary component replacement, and ensure accurate diagnosis.
MAS004944 DS 25-35
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible steering rack anomalies on Grecale models.
MAS004950 MTB 25-44
This bulletin provides updated information regarding the metallic noise originating from the exhaust system on Grecale MHEV models during cold starts. The issue is related to exhaust valve behavior and has been resolved with a now available software update.
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).
MAS004915 MTB 25-40
The purpose of this bulletin is to explain the behavior and function of the Load Shed system introduced in BCM Software 19.2 on Grecale, GranTurismo, and GranCabrio models. This system automatically reduces power to non-essential electrical features to protect battery health and ensure vehicle stability, especially during low battery charge or charging system issues.
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.
MAS004931 MTB 25-38
This bulletin provides guidance to the authorized service network regarding a specific repair procedure applicable to the front axle transfer case. The intervention is intended to address a knocking noise that may occur during lowspeed directional changes (Drive to Reverse and vice versa). The procedure outlined below aims to eliminate the noise by reconditioning the flange-to-shaft interface and ensuring correct component alignment and lubrication.
MAS004900 RU 25-30
Certain Maserati Grecale vehicles are involved in a Rapid update to perform a visual inspection and, if necessary, repositioning of the EPS (Electric Power Steering) wiring clips.
MAS004829 MTB 25-37
This bulletin explains how to identify and handle momentary coolant leaks from the water pump’s weeper chamber on Maserati MHEV engines. It helps technicians understand what is normal during initial operation, what needs attention, and how to decide if the pump should be replaced.
MAS004874 DS 25-32
his bulletin provides detailed diagnostic procedures for identifying and resolving key recognition issues on all Maserati Grecale models. It includes checks for remote locking/unlocking, passive entry, proximity functions, and key detection during vehicle start-up, along with guidance for documenting and reporting unresolved cases.
MAS004884 MTB 25-35
This bulletin provides diagnostic and warranty guidance for DC/DC converter (APM) failures in Maserati MHEV models. The DC/DC converter manages the energy flow between the 12V system and the 48V Belt Starter Generator (BSG/MCPA).
MAS004902 DS 25-32
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.
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
MAS004943 MTB 25-42
CVPAM Surround View System Diagnosis B228600
MAS004768 RU 25-28
Certain Maserati Grecale (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to check the trim of the USB port in the center console. Some trims may have weak or damaged retaining clips, which could cause them to detach. This is only a cosmetic issue— it does not affect vehicle safety or fu.nction
MAS004886 DS 25-31
This Diagnostic Sheet provides step-by-step instructions to help diagnose and report issues with the adaptive suspension system on Maserati Grecale vehicles equipped with Skyhook or Air Suspension. It guides technicians through specific tests to confirm whether the suspension settings are functioning correctly and how to collect data for further support
MAS004891 RU 25-27
On certain Grecale vehicles, the rear differential wiring harness retaining clip may not be fully secured in its intended position. In some cases, this could allow the harness to shift and potentially come into contact with nearby moving components, which may lead to wear over time. This Rapid Update provides a preventive inspection and, if necessary, a corrective action to ensure proper cable retention and avoid potential interference.
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.
MAS004817 MTB 25-34
he purpose of this communication is to inform Maserati dealers that, in certain vehicle functions deactivated at the next Key-On after Key-Off cycle, normal behavior may be misinterpreted as a fault. Beginning with BCM software release 19.2 (March 2024), the Load Shed Function was introduced. This system is not a malfunction but an intentional feature that manages the 12V battery State of Charge by temporarily disabling or limiting non-essential functions. The goal is to reduce unnecessary discharge and preserve battery health. Examples include: • A/C system • Heated seats / heated steering wheel • Mirror and rear window defroster • Interior lights / ambient lights • Head-up display • Easy entry/exit
MAS004864 MTB 25-33
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)
MAS004848 RU 25-24
This Rapid Update provides instructions for inspecting the front brake pad sensor wiring harness on affected Grecale vehicles. In certain cases, incorrect harness positioning may lead to false brake pad wear warnings. VEHICLES INVOLVED: Grecale (M182) MY24 MY25 On some Grecale vehicles, the front brake pad wear sensor harness may, under certain circumstances, come into contact with nearby components. This can lead to abrasion of the protective sheath, exposing the wiring
MAS004860 DS 25-30
This bulletin provides guidance for diagnosing customer concerns related to driver assistance features when specific warnings or DTCs are present. The goal is to quickly identify potential damage to the front camera bracket, avoid unnecessary downtime, and ensure the appropriate corrective action is taken.
MAS004871 RU 25-25
This Rapid Update instructs dealers to inspect the front seat lumbar support system on certain Maserati Grecale vehicles. The goal is to confirm proper operation of the inflation/deflation cycle and, if necessary, replace the lumbar support.
MAS004868 DS 25-28
This Diagnostic Sheet serves as a guide and provides a diagnostic path to help determine the root cause of certain HVAC concerns. This Diagnostic Sheet requires a BOL to be submitted. MODELS: Grecale, GT/GC, MC20 (All MY) WHEN DEALING WITH HVAC CONCERNS SUCH AS “AC NOT BLOWING COLD,” DO NOT ASSUME IT IS DUE TO LOW REFRIGERANT.
MAS004831 MTB 25-32
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
MAS004769_A DS 25-29
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. MODELS AFFECTED: Grecale M182 (All MY), GranTurismo/GranCabrio M189 (All MY) (internal combustion engine and Folgore BEV vehicles) SECTION: 08.20-1 Energy generation and accumulation
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).
MAS004818 DS 25-24
This bulletin provides a diagnostic checklist to identify, troubleshoot, and resolve issues related to the TBM2 (Telematics Box Module) system in Grecale, GranTurismo, and GranCabrio models. It outlines specific concerns associated with DTCs and step-by-step procedures to ensure accurate diagnosis and effective resolution of connectivity, communication, and hardware-related concerns. MODELS AFFECTED: M182 Grecale 2.0 L4 MHEV and M189 GranTurismo(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
MAS004819 DS 25-22
This bulletin provides diagnostic and repair instructions for addressing corrosion-related issues in the low-pressure fuel pump on Grecale models. Affected Models: M182 MHEV and V6 (All MY)
MAS004825 DS 25-23
This bulletin provides guidance for diagnosing and resolving a knocking noise from the turbocharger area on Grecale MHEV vehicles. If resolved through the outlined procedure, the vehicle can be returned to the customer without extended downtime. TechDocs Section: 01.30-1 – Supercharging System: Equipment Model: Grecale MHEV (All MY)
MAS004826 MCL 25-41
Temporary Suspension of Rapid Update #788. Effective immediately, Rapid Update 788 is suspended until further notice. We are temporarily suspending Rapid Update #788, originally launched to address potential USB trim detachment in the center console compartment, due to a significantly higher-thananticipated demand for spare parts.
MAS004466_A RU 25-19
Certain Maserati Grecale ICE and BEV (M182) MY23, MY24, and MY25 listed in MODISCS+ are involved in a Rapid Update to update the software on multiple ECU modules. Over the past year, we have dedicated significant efforts to enhancing the functionality of our cars, according to reports and suggestions from our customers. We have observed that sometimes, certain important actions are not carried out, despite all campaigns being mandatory. We understand that this modernization effort requires considerable dedication, but it is essential for us to prioritize customer satisfaction. We recognize that amidst daily tasks, it can be challenging to keep track of various circular letters. Therefore, we have consolidated some of them, ensuring that you have all the instructions in a single bulletin
MAS004696_A RU 25-18
Certain Maserati Grecale (M182) MY23, MY24, MY25 listed in MODISCS+ are involved in a Rapid Update to update the software in several modules to improve electrical absorption. This electric absorption improvement can be reached by updating the following modules all in one shot: ▪ BCM (Body Control Module) ▪ RFHM (Radio Frequency HUB Module) ▪ SLML (Smart Lighting Module Right) ▪ SLMR (Smart Lighting Module Left
MAS004812 MTB 25-27
This bulletin provides technical guidance regarding a metallic noise originating from the exhaust system on Grecale MHEV models during cold starts. The issue is related to exhaust valve behavior and will be resolved through a future software update. MILD HYBRID ONLY
MAS004789 DS 25-19
This diagnostic sheet is intended to assist technicians in identifying and differentiating engine oil leaks and sweating.
MAS004786 DS 25-20
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible axle shaft noise
MAS004768 RU 25-16
Certain Maserati Grecale (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to check the trim of the USB port in the center console. Some trims may have weak or damaged retaining clips, which could cause them to detach. This is only a cosmetic issue— it does not affect vehicle safety or function
Rapid Update 788
Certain Maserati Grecale (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to check the trim of the USB port in the center console. Some trims may have weak or damaged retaining clips, which could cause them to detach. This is only a cosmetic issue— it does not affect vehicle safety or function.
MAS004769 DS 25-18
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.
MAS004770 MCL 25-32
This bulletin provides important information regarding the rear window wiper washer pipe on Maserati Levante and Grecale models. If a fluid leak is detected at the connection point of the delivery pipe, it is now possible to replace only the affected pipe using a dedicated repair kit, instead of replacing the entire engine compartment wiring harness.
MAS004774 RU 25-17
Certain Maserati vehicles are involved in a Rapid Update to update the AGSM (Automatic Gearbox Shifter Module) software. Models affected: Grecale (M182) - MY23 MY24 MY25 GranTurismo (M189) GranCabrio (M190) - MY24 MY25 The software update is intended to optimize the sensitivity of the PRND controls, preventing potential issues where the desired gear may not engage without repeated button presses. The updated software ensures a more precise and immediate response from the gear selection system.
MAS004754 MTB 25-24
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 center console compartment doors, the complete assembly had to be replaced. It is now possible to replace individual components instead of the entire unit.
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
MAS004752 MTB 25-23
In certain Maserati Grecale vehicles, the rear central seat belt may become locked in a partially retracted position if the belt is released suddenly in a lateral direction. Maserati is actively developing a permanent solution to address this issue in future retractor designs.
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”
MAS004733 MTB 25-20
his Bulletin provides important guidance regarding the appearance of front and rear axle shafts on Grecale (M182 MHEV) vehicles. It is intended to help correctly identify compliant components and avoid unnecessary part replacements.
MAS004729 MTB 25-18
his Technical bulletin serves as a guide and provides additional info in case of “Max oil level exceeded” message displayed in the cluster (IPC).
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
MAS004705 MTB 25-14
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.
MAS004706 RU 25-12
Certain Maserati Grecale (M182) MY23 MY24 listed in MODISCS+ are involved in a Rapid Update to reposition the RFHM antenna. Under certain conditions, the RFMH system may encounter signal reception issues, resulting in errors and inconveniences for the customer. These may include difficulties in opening doors or the rear hood, despite proximity and the key being readily available. The procedure utilizes a set of components designed specifically for relocating the RFHM antenna from the original position to a position that improves signal visibility.
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.
MAS004699_A RU 25-11
Certain Maserati Grecale ICE, MHEV and BEV(M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to update the VDCM (Vehicle Dynamics Control Module) software. This new software modifies the behavior of the air compressor, preventing the DTC 55A100 (unable to obtain desired ride height) set in VDCM and avoiding unwanted lowering of the vehicle.
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.
MAS004109
The purpose of this document is to provide diagnostic information regarding anomalies of the 48V battery. MODELS: M157, M161, M182. MHEV vehicles only. All MYs.
MAS004682 DS 25-13
Grecale Low Pressure Fuel Pump Diagnosis. his Diagnostic Sheet serves as a guide and provides additional diagnostic info for the Low fuel pressure Fuel pump on Grecales.
MAS004690 DS 25-12
This Technical bulletin serves as a guide and provides additional diagnostic info for possible Air suspension issues on Grecale equipped with an Air Suspension System. ATTENTION! This bulletin supersedes MAS004672 DS 25-08 released on April 4, 2025. This bulletin has been updated with new diagnostic info. Please discard/remove all copies of the previous bulletin.
MAS004699 RU 25-09
Grecale – VDCM Software Update. Certain Maserati Grecale ICE, MHEV and BEV(M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to update the VDCM (Vehicle Dynamics Control Module) software. This new software modifies the behavior of the air compressor, preventing the DTC 55A100 (unable to obtain desired ride height) set in VDCM and avoiding unwanted lowering of the vehicle.
MAS004681 DS 25-11
Vibration/Distortion from door speakers Grecale/GranTurismo/GranCabrio. This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible abnormal door speaker noise anomalies.
MAS004691 CSN 25-04
Customer Service Notification 782 M182 & M189 BEV – OBCM Software Update. Certain Maserati GranTurismo (M189) Grecale (M182) BEV MY24 MY25 listed in MODISCS+ are involved in a Customer Service Notification (CSN)to update the OBCM (On-Board Charger Control Module) software. This software introduces a new recharging strategy to prevent a potential issue where the customer may be unable to start charging the high-voltage (HV) battery using an external charging station.
MAS004696 RU 25-08
Grecale – Electric Absorption Improvement BCM – RFHM – SLML – SLMR Software Updates, Certain Maserati Grecale (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to update the software in several modules to improve electrical absorption. This electric absorption improvement can be reached by updating the following modules all in one shot: ▪ BCM (Body Control Module) ▪ RFHM (Radio Frequency HUB Module) ▪ SLML (Smart Lighting Module Right) ▪ SLMR (Smart Lighting Module Left
MAS004693 MCL 25-22
Rapid Update 760 TEMPORARY SUSPENSION Effective Immediately: Rapid Update 760 is suspended until further notice due to the potential occurrence of DTC P061B. This diagnostic trouble code may appear when torque command limits are exceeded, triggering the “Turtle Mode” warning lamp. This results in limited vehicle performance, which can be easily restored with a key cycle (Key OFF – Key ON).
MAS004672 DS 25-08
This Technical bulletin serves as a guide and provides additional diagnostic info for possible Air suspension issues on Grecale equipped with Air Suspension System. ATTENTION! This bulletin supersedes MAS004471 RU 25-09 released on December 17, 2024. This bulletin has been updated with new diagnostic info. Please discard/remove all copies of the previous
MAS004649 MTB 25-12
Special tool (P/N 900029716) for inserting oil seals into the gearbox.
MAS004525_A CSN 25-02
Certain Maserati Grecale MHEV and ICE V6 (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Customer Service Notification (CSN) to update the Engine Control Module (ECM) software update
MAS004648 MTB 25-11
Grecale Airbag Warning Light ON. This Technical bulletin serves as a guide and provides additional diagnostic info for possible DTCs related to the ORC module.
MAS004641 MTB 25-10
This Technical bulletin serves as a guide and provides additional diagnostic info for possible Memory seat and or easy entry anomalies.
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.
MAS004591 MCL 25-11
This Technical bulletin serves as a guide and provides additional info regarding how to check the 48V battery SOC. As indicated in the bulletin MAS003379, it is mandatory to periodically check the SOC (State of Charge) of batteries stored or installed on in-stock vehicles
MAS004627 MCL 25-18
We are pleased to inform you that a new Tutorship process has been defined that will cooperate directly with the suppliers of the main components of Maserati’s cars to promptly intercept potential issues, reducing diagnosis times and providing maximum assistance and know-how for the resolution of our clients’ cases. Through the direct support of professional technicians, the Aftersales Tutorship Team with the supervision of the HQ Blue on Line Team will be able to carry out detailed diagnosis on reports coming from the network. If an intervention on a component under Tutorship is needed (see Tutorship List attached), you will have to create a Blue on Line as a Support Request. It’s important that you accurately follow the instructions that you will receive and do not replace a component without authorization.
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.
MAS004581 DS 25-05
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible issues related to the front door panel wiring on Grecale’s.
MAS004593 DS 25-06
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible unwanted alarm trigger/activation anomalies. This Diagnostic sheet requires a BOL to be opened as a “Support Request”.
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.
MAS004559 MTB 25-04
his Technical bulletin serves as a guide and provides additional info related to a specific failure mode encountered on the DC/DC converter of the MHEV versions.
MAS004438 MTB 25-03
This Technical information bulletin serves as a diagnostic guide for managing engine oil leaks and instructing related repairs.
MAS004525 CSN 25-01
Certain Maserati Grecale MHEV (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Customer Service Notification (CSN) to update the Engine Control Module (ECM) software update. This update is needed to improve the ECM software calibration, following the best practice about battery SOC targets and Start & Stop threshold. As consequence the Customer may not be able to start the vehicle. This software update is part of an improvement strategy to optimize the electric behavior of the vehicle. Note that some MY23 vehicles also need to update the Transmission Control Module (TCM) module, Although there are no reported issues impacting the TCM, the implementation of new ECM software requires the TCM software to be updated as well for compatibility reasons.
MAS004472 DS 25-01
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible anomalies of parking sensors.
MAS004504 BOL 25-01
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible TBM anomalies for emergency call module
MAS004474 MTB 24-41
This Technical bulletin serves as a guide and provides additional info for possible loose center console storage lid.
MAS004471 MTB 24-39
This Technical bulletin serves as a guide and provides additional diagnostic info for possible Air suspension issues on GranTurismo and some Grecale equipped with Air Suspension System.
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.
MAS004457 BOL 24-33
This document aims to provide diagnostic information regarding problems of abnormal noise or breakage of the BSG (Belt Starter Generator) belt. This diagnostic sheet requires a BOL under “Support Request” to be opened.
MAS004375 CSN 24-02
Certain Maserati Grecale ICE (M182) MY24 listed in MODISCS+ are involved in a Customer Service Notification (CSN) for the replacement of the rear shock absorbers. A limited batch vehicle may be manufactured with shock absorbers that may be noisy While driving. Solution is to replace the rear shock absorbers.
MAS004445 RU 24-42
Certain Maserati Grecale ICE (M182) MY23 MY24 listed in MODISCS+ are involved in a Rapid Update to check the front wiring harness routing and installation. The procedure therefore consists of checking the positioning of the wiring and the possible repositioning of the fastening strap to avoid any type of interference event at a later time.
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.
MAS004465 MCL 24-52
To enhance customer satisfaction, a new policy requires testing of the 12V battery at the time of a new vehicle sale. The “MASERATI” E-XTEQ Maximus must be used to perform a load test on the 12V battery within 48 hours before the vehicle's delivery to the final customer.
MAS004466 RU 24-41
Certain Maserati Grecale ICE and BEV (M182) MY23, MY24, and MY25 listed in MODISCS+ are involved in a Rapid Update to update the software on multiple ECU modules
MAS004434 MCL 24-53
The Rapid Updates (Campaigns) in the list below will be closed starting from November 18, 2024. 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. Campaign Number Campaign Description Closure Date 514 MC20 MY22 Radiator pipe coolant leakage 11.18.2024 550 M157 V6 Engine Harness Position Check 11.18.2024 574 MC20 Interior Handle Replacement 11.18.2024 575 M182 Air suspension Leak Check 11.18.2024 590 MC20 Door Latch Noise 11.18.2024 596 MC20 Cielo PTCM SW Update 11.18.2024 618 M182 - Radio R1H FOTA SW UPDATE (S27.28) 11.18.2024 646 MC20 Side Mirror Check 11.18.2024 649 MC20 Radiator pipe coolant leakage (ext 514) 11.18.2024 655 MC20 AC pipe connection check 11.18.202
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
MAS004418 BOL 24-31
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible axle shaft noise.
MAS004401 BOL 24-30
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible rear exhaust silencer noise anomalies
MAS003288 BOL 24-28
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible Steering rack anomalies.
MAS003867 BOL 24-29
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible rear exhaust noise anomalies.
MAS004374 MCL 24-46
To meet technical requirements, Maserati has introduced an L4 MHEV injector lower O-ring replacement kit (PN 900100021) to ensure the highest quality during this operation. This tool allows for the first-time replacement of individual lower injector O-rings on L4 MHEV engines. Now, instead of replacing the entire rail, you can simply replace the O-rings using Kit 673012512
MAS003831 BOL 24-17
his Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible “Engine Oil Level Too Low” message on cluster on Maserati Grecale models.
MAS004328 RU 24-29
Certain Maserati Grecale (M182) MY24 listed in MODISCS+ are involved in a Rapid Update to check the bonding of the upper rear spoiler.
MAS004336 RU 24-25
Rapid Update 743 Grecale - AGSM Software Update. Certain Maserati Grecale (M182) MY23 MY24 and MY25 listed in MODISCS+ are involved in a Rapid Update to update the AGSM (Automatic Gearbox Shifter Module) software. This action is necessary to prevent the Park button from potentially getting "stuck ON" or the inability to shift the gear out of "P." This issue could prevent the vehicle from being moved and may result in DTCs P07BE-00/1E1700 being stored in the AGSM.
MAS004334 MCL 24-42
his Bulletin provides new information regarding the Maserati Tutorship Process for Harman R1 ETM components.
MAS004300 RU 24-22
Certain Maserati Grecale (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to update the BSM (Braking System Module) software. This action is necessary to prevent the potential appearance of multiple warning lights on the instrument cluster during the initial key-on. In rare cases, a firmer brake pedal feel may occur.
MAS004236 RU 24-19
Certain Maserati Grecale MY23 MY24 listed in MODISCS+ are involved in a Rapid Update to add extra protective tape to both rear "Door to body" connectors. Some vehicles may have been fitted with a protective weather seal boot on the body-to-door connectors that may not ensure proper insulation against moisture infiltration. To address this, a rework has been devised: taping the boot to the connector to prevent any potential moisture infiltration.
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.
MAS004251 MTB 24-27
Grecale & GranTurismo 12 Volt Battery Best Practices- Diagnostic checklist for a "Dead Battery" concern.
MAS004235 BOL 24-25
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible Axle shaft noise.
MAS004111 MTB 24-25
This Technical bulletin has been released to inform the dealers about feature/content modifications of Maserati vehicles and to ensure that such changes are not mistakenly interpreted as anomalies or inconsistencies in the expected vehicle configuration.
MAS004237 BOL 24-24
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible door speaker noise anomalies.
MAS004116 BOL 24-22
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible door panel anomalies.
MAS004128 BOL 24-15
This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible TBM anomalies for malfunctions related to the management of the TBM module (emergency call module).
MAS004227 RU 24-18
Certain Maserati Grecale (M182) MY23 MY24 listed in MODISCS+ are involved in a Rapid Update to reposition the RFHM antenna. Under certain conditions, the RFMH system may encounter signal reception issues, resulting in errors and inconveniences for the customer. These may include difficulties in opening doors or the rear hood, despite proximity and the key being readily available.
MAS004226 BOL 24-20
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.
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
MAS003996 MTB 24-20
This Technical bulletin serves as a guide and provides additional diagnostic info for possible DTC P2463 stored in the ECM.
MAS004068 MTB 24-19
The Maserati Grecale and New Granturismo offer an air suspension system (standard equipment on all versions for New Granturismo and OPT for Grecale) that improves the ride, comfort, and the vehicle handling in all conditions to maximize the Maserati driving experience.
MAS004115 MTB 24-22
This Technical bulletin serves as a guide and provides additional diagnostic info for possible DTCs P1217 and P2D1100 stored in the ECM for abnormal exhaust noise.
MAS004066
Rapid Update 711 Grecale for Sunroof Moldings Check
MAS004063
Rapid Update 713 Grecale Multiple Software Updates CVPAM , ICS , IPC ,RFHM , BCM , ECM , TCM
MAS003833
Technical Information that serves as a guide and provides additional diagnostic info of the 12V battery.
MAS003543
RU/FOTA Update 618 for a software update fie R1 Software in th Entertainment Telematic Module (ETM) to version S27.28
MAS003981
Diagnostic Sheet.
MAS003821
Technical Information.
MAS003989
Technical Information.
MAS003792
Technical Information.
MAS003928
Circular Letter.
MAS003929
Circular Letter.
MAS003793
Circular Letter.
MAS003774
Technical Information
MAS003891
Technical Information.
MAS003844
Diagnostic Sheet.
MAS003895
Technical Information.
MAS003764
Technical Information to check the air suspension system check,
MAS003848
Diagnostic Sheet to provide technical indications for the daignosis of TPMS and/or keyfob recognition anomalies.
MAS003735
Rapid Update 661 involved to update the Central Vision Car Park Assist Module Software (CVPAM) to improve power draw of the CVPAM module from the vehicles 12V battery.
MAS003817
Technical Information - Wheel alignment checklist to when the vehicle pulls to the left or right and/or the steering wheel is crooked.
MAS003824
Rapid Update 663 - to update the Integrated Center Stack (ICS) software to enhance the sensitivity of the touch screen.
MAS003843
Diagnostic Sheet and tips for half shaft clicking noise.
MAS003921
Rapid Update 695 which involves the verification of a potential noise from the steering wheel mount in the car due to interefernce from the plastic covering of the steering switch.
MAS003888
Rapid Update 686 for the verification and possible restoration of the Bowden cable connection check for folding the rear seats.
MAS003871
Rapid Update 683 to enhance the synchronization strategy of the Body Control Module (BCM) software
MAS003869
Rapid Update 680 to address MIL (Malfunction Indicator Lamp) turning ON while driving, attributed to P-codes P106A and P1066 related to the Multiair solenoid valve.
MAS003801
Rapid Update 674 to update the Body Control Module (BCM) software. To correct a potential issue with the wireless charger that can cause interefernce during the keyfab search process.
MAS003829
Rapid Update 673 to update the Radio Frequency HUB Module (RFHM) software to prevent the occurrence of a false TPMS warining indication.
MAS003770
Rapid Update 667 to check the gearbox wiring of the automatic transmission on MHEV vehicles
MAS003763
Technical Information for breakage of the connection of pipes on the aur suspension systems.
MAS003789
Rapid Update 671 related to four point nut tightening torque check for Grecale MHEV - 48V system
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.