# Service bulletin MAS003501

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: Service bulletin
- NHTSA id: 10234635
- Published by NHTSA: 2023\-04\-24
- Manufacturer's number: MAS003501
- Manufacturer's date: 2023\-03\-07
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Circular letter \- for MD\-EVO update to fix all concerns raised during execution of ECU programming, IPC replace write phase and IPC service module removal.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234635-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234635-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2022 to 2023 MASERATI GHIBLI
- 2022 MASERATI GRANTURISMO
- 2022 MASERATI GRECALE
- 2023 MASERATI GRECALE
- 2022 to 2023 MASERATI LEVANTE
- 2022 to 2023 MASERATI MC20

## Other bulletins for the same vehicles and component

- [MAS005090 RU 26\-06](/bulletins/11030449.md), 2026-04-01, 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
- [MAS005057 DS 26\-02](/bulletins/11030104.md), 2026-03-18, 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.
- [MAS005052 DS 26\-01](/bulletins/11030103.md), 2026-03-18, Other: ELECTRICAL SYSTEM; VISIBILITY/WIPER; UNKNOWN OR OTHER; EXTERIOR LIGHTING. 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.
- [MAS005001\_A RU 26\-04](/bulletins/11028828.md), 2026-02-17, Service campaign: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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
- [MAS004933 RU 25\-31](/bulletins/11024686.md), 2025-10-31, Service campaign: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Certain Maserati listed in MODISCS\+ are involved in a Rapid Update concerning the Premium Alarm System \(LSA\) reactivation and the Intrusion Transceiver Module \(ITM\) software update.
- [MAS004902 DS 25\-32](/bulletins/11024679.md), 2025-10-31, 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.
- [MAS004769\_A DS 25\-29](/bulletins/11021901.md), 2025-08-18, Other: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. 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
- [MAS004814 MTB 25\-28](/bulletins/11020993.md), 2025-07-30, Other: ELECTRICAL SYSTEM; BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING. 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.
- [MAS004696\_A RU 25\-18](/bulletins/11020789.md), 2025-07-18, Service campaign: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. 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
- [MAS004648 MTB 25\-11](/bulletins/11016118.md), 2025-04-01, Other: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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.

JSON: [/v1/bulletins/10234635](/v1/bulletins/10234635)

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