Service bulletin 2400421
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 | 10223488 |
| Published by NHTSA | 2022-10-17 |
| Manufacturer's number | 2400421 |
| Manufacturer's date | 2021-05-12 |
| NHTSA component | ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM |
NHTSA's summary
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.
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
Electrical system, Engine, Lighting, Engine control module
Trouble codes named
B10C8
| ALFA ROMEO STELVIO | 2020 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| S2208000073 | 2023-01-09. Service bulletin. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting |
|---|