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Service bulletins for the 2018 Maserati Quattroporte

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.

100 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
MAS0039292024-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Circular Letter.
MAS0039282024-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Circular Letter.
MAS0038952024-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Information.
MAS0038912024-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Information.
MAS0038442024-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Diagnostic Sheet.
MAS0038212024-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Information.
MAS0037922024-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Information.
MAS0029292024-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Daignostic Sheet.
MAS0024642021-02-22. Service bulletin. EQUIPMENT; TIRES; WHEELS. Vehicle configuration update after the installtion of wheel rems/tires of different sizes
TT-702020-12-14. Service bulletin. STRUCTURE; VISIBILITY; EQUIPMENT. Correct the deformation of the windshield glass seal.
TT-662020-12-14. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Follow these steps to successfully complete the vin writing and then the software programming activities.
MAS-00-08-832020-12-14. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Campaign 268 Dome Reinforcement Plate Installation.
MAS0023242020-10-13. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Technical Bulletin - Engine coolant leaks from the cabin heater water delivery hose or the cabin heater water return hose.
MAS001382C2020-08-24. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Circular Letter - Tutor Process for Harmon Components
MAS0021992020-07-13. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. Circular Letter - Updated ETM Software Volta 6 -Troubleshooting guides to diagnose Base Audio System Reboot, Apple Carplay Disconnecting/Jamming and other anomalies.
MAS002120i2020-04-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Circular Letter - New ETM Software Volta 6 -Troubleshooting guides to diagnose Base Audio System Rebbot, Apple Carplay Disconnecting/Jamming and other anomalies.
MAS0021202020-04-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Circular Letter - Upload of new software related to the Entertainment Module (ETM) on vehicles with ETM Software (Volta 6.0)
MAS0021032020-03-16. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Bulletin - Engine Oil Specification
MAS0014312018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. TSB on proper procedure for ensuring all door modules function in the event of one being replaced.
MAS0013382018-02-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New guidelines for use of Blue-On-Line technical support requests and warranty requests for authorization.
MAS0013612018-02-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Notification of diagnostic server downtime for maintenance.
MAS0013192018-02-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Notification of changes to the online documentation sites TechInt and TechDoc.

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