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Service bulletin MAS003863

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 id10249044
Published by NHTSA2024-01-22
Manufacturer's numberMAS003863
Manufacturer's date2023-12-05
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

Rapid Update 681 to inspect front wiring harness and reposition it if ncessary.

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

Electrical system, Wiring and fuses

Vehicles listed
MASERATI GRANTURISMO2023, 2024, 2025

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
MAS0038642024-01-22. Service bulletin. Rapid Update 682 to check the correct routing of a wiring harness that passes near the alternator.
MAS0036232023-07-31. Service bulletin. Rapid Update 631 - To check 8 ground points and possibly clean the eylet terminals that have excess glue between the wire insulation and terminal preventing a proper clamping of the terminal to the body stud. This can lead to malfunctions in various electrical systems.