Maserati Ghibli 2017–2020 — technical service bulletin
Bulletin MAS002199A · NHTSA communication 10178707 · issued Jul 14, 2020
Technical service bulletin
communication type
Electrical System
component
2017–2020
model years
4
vehicle entries
Official summary
Circular Letter - Updated ETM Software Volta 6 -Troubleshooting guides to diagnose Base Audio System Reboot, Apple Carplay Disconnecting/Jamming and other anomalies.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.