WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

By topic

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
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.
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.
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.
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.
MAS004902 DS 25-322025-10-31. 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 25-292025-08-18. 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
MAS004413 RU 24-372024-10-31. Service campaign. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. ertain Maserati GranTurismo (M189) Grecale (M182) BEV MY25 listed in MODISCS+ are involved in a Rapid Update to update the OBCM (On-Board Charger Control Module) software. A limited number of vehicles require the OBCM module to be updated to resolve a potential issue that may cause a malfunction in the charging system, which can only be temporarily resolved by unplugging and re-plugging the charger.
MAS0038642024-01-22. Service bulletin. ELECTRICAL SYSTEM:WIRING. Rapid Update 682 to check the correct routing of a wiring harness that passes near the alternator.
MAS0038632024-01-22. Service bulletin. ELECTRICAL SYSTEM:WIRING. Rapid Update 681 to inspect front wiring harness and reposition it if ncessary.

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