ALFA ROMEO

2400521

2021-05-12 · NHTSA 10223339, 10223487, 10230111

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Flash: Heating, Ventilation and Air Conditioning (HVAC) Module Updates This bulletin involves reprogramming the HVAC control module with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination with the following Diagnostic Trouble Code (DTC) or the symptom/conditions listed below: B10C8-36 - Cabin Fan Brushless - Signal Frequency Too Low. The HVAC fan stops working after a Engine Start/Stop (ESS) function.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.