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Service bulletin MAS003789

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10245715
Published by NHTSA2023-12-04
Manufacturer's numberMAS003789
Manufacturer's date2023-10-12
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

NHTSA's summary

Rapid Update 671 related to four point nut tightening torque check for Grecale MHEV - 48V system

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline, Automatic transmission, Torque converter

Vehicles listed
MASERATI GRECALE2023, 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
MAS0038682023-12-26. Service bulletin. 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.