# Other MAS004825 DS 25\-23

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.

- Type: Other
- NHTSA id: 11021163
- Published by NHTSA: 2025\-08\-01
- Manufacturer's number: MAS004825 DS 25\-23
- Manufacturer's date: 2025\-07\-30
- NHTSA component: UNKNOWN OR OTHER; POWER TRAIN

## NHTSA's summary

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 \(All MY\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021163-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021163-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline

## Vehicles listed

- 2022 MASERATI GRECALE
- 2023 to 2025 MASERATI GRECALE

## Other bulletins for the same vehicles and component

- [MAS004705\_A MTB 26\-13](/bulletins/11035020.md), 2026-07-15, 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.
- [MAS004774 RU 25\-17](/bulletins/11019855.md), 2025-06-30, Service campaign: POWER TRAIN; UNKNOWN OR OTHER. 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.
- [MAS004649 MTB 25\-12](/bulletins/11016119.md), 2025-04-01, Other: UNKNOWN OR OTHER; POWER TRAIN. Special tool \(P/N 900029716\) for inserting oil seals into the gearbox.
- [MAS004235 BOL 24\-25](/bulletins/11001827.md), 2024-06-18, Other: POWER TRAIN; SUSPENSION; UNKNOWN OR OTHER. This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible Axle shaft noise.
- [MAS003868](/bulletins/10247790.md), 2023-12-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Rapid Update 679 both ECM and TCM software when when a loss of CAN communications between the ECM and the other ECU's when ECU temperature is high.
- [MAS003789](/bulletins/10245715.md), 2023-12-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Rapid Update 671 related to four point nut tightening torque check for Grecale MHEV \- 48V system
- [MAS003770](/bulletins/10245713.md), 2023-12-04, Service bulletin: POWER TRAIN. Rapid Update 667 to check the gearbox wiring of the automatic transmission on MHEV vehicles
- [MAS003298](/bulletins/10226567.md), 2022-11-28, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. Service Campaign 547 \- Half \-Shafts checks relating to the verification of conformity of the front axles.

JSON: [/v1/bulletins/11021163](/v1/bulletins/11021163)

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