# 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.

- Type: Service bulletin
- NHTSA id: 10188706
- Published by NHTSA: 2021\-03\-15
- Manufacturer's number: MAS002528
- Manufacturer's date: 2021\-02\-23
- NHTSA component: VISIBILITY: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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188706-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188706-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

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

## Vehicles listed

- 2020 to 2021 MASERATI GHIBLI
- 2020 to 2021 MASERATI LEVANTE
- 2020 to 2021 MASERATI QUATTROPORTE

## Other bulletins for the same vehicles and component

- [MAS003045](/bulletins/10237990.md), 2023-06-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Technical Information \- Diagnostic guidance to trouble shooting DTC C12900 \& 400700 if fault codes are stored in the ECM for iignition control unit.
- [MAS003169](/bulletins/10217988.md), 2022-08-22, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; UNKNOWN OR OTHER. Service Campaign 516 \- concerning the ECM Software update to improve the performance of the engine calibration.
- [MAS002969](/bulletins/10212645.md), 2022-05-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM. Diagnostic Sheet \- To Provide Diagnostic Guidance for DTC's Related To The Blow\-By Pressure Sensor.
- [MAS002867](/bulletins/10206680.md), 2022-01-24, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE. Servive Campaign \# 451 \- To update the ECM Software
- [TT\-66](/bulletins/10184273.md), 2020-12-14, 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\-77](/bulletins/10184262.md), 2020-12-14, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE. Technical Information for MDEVO and KOL.
- [MAS\-00\-08\-77\-1](/bulletins/10184261.md), 2020-12-14, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE. Technical Information for MDEVO and KOL.

JSON: [/v1/bulletins/10188706](/v1/bulletins/10188706)

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