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Service bulletin MAS002528

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 id10188706
Published by NHTSA2021-03-15
Manufacturer's numberMAS002528
Manufacturer's date2021-02-23
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

NHTSA's summary

Service Campaign # 409 - HVAC software update to AC system that could stop caooling after 10 minutes at idle in area with high ambient temepratures and high humidity.

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

Engine, Glass, wipers and mirrors, Heating and air conditioning, Engine control module

Vehicles listed
MASERATI GHIBLI2020, 2021
MASERATI LEVANTE2020, 2021
MASERATI QUATTROPORTE2020, 2021

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
MAS0030452023-06-26. Service bulletin. Technical Information - Diagnostic guidance to trouble shooting DTC C12900 & 400700 if fault codes are stored in the ECM for iignition control unit.
MAS0031692022-08-22. Service bulletin. Service Campaign 516 - concerning the ECM Software update to improve the performance of the engine calibration.
MAS0029692022-05-31. Service bulletin. Diagnostic Sheet - To Provide Diagnostic Guidance for DTC's Related To The Blow-By Pressure Sensor.
MAS0028672022-01-24. Service bulletin. Servive Campaign # 451 - To update the ECM Software
TT-662020-12-14. Service bulletin. Follow these steps to successfully complete the vin writing and then the software programming activities.
MAS-00-08-772020-12-14. Service bulletin. Technical Information for MDEVO and KOL.
MAS-00-08-77-12020-12-14. Service bulletin. Technical Information for MDEVO and KOL.