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Service bulletin 18-006-25 REV. A

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 id11015885
Published by NHTSA2025-03-25
Manufacturer's number18-006-25 REV. A
Manufacturer's date2025-03-20
NHTSA componentPOWER TRAIN
Manufacturer's systemPowertrain Control Module

NHTSA's summary

"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit the following Diagnostic Trouble Code (DTC): ● P0606 - Control Module Processor. Customers may also experience the following: ● Vehicle goes into limp-in mode. REPAIR SUMMARY: **This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.**"

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

Transmission and driveline

Trouble codes named

P0606

Vehicles listed
ALFA ROMEO STELVIO2024

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
S2621000003 REV.A2026-03-18. Service bulletin. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
18-006-252025-02-11. Service bulletin. "Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit the following Diagnostic Trouble Code (DTC): ● P0606 - Control Module Processor. Customers may also experience the following: ● Vehicle goes into limp-in mode. This bulletin involves reprogramming the PCM with the latest available software"