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C1409 on the 2025 Alfa Romeo TONALE

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name C1409
08-295-252025-09-10. Service bulletin. Flash: Driver Assistant System Module (DASM) Updates *Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find the following Diagnostic Trouble Code (DTC) has been set:** ● C1409-97 - Radar Sensor Blind - Component Or System Operation Obstructed Or Blocked. In addition, the customer must also comment on one or more of the following: ● "ACC not available" message displayed on the Instrument Panel Cluster (IPC). ● "Highway Assist not available" message displayed on the IPC.** ● Highway Assist steering wheel vibration This bulletin involves updating the DASM with the latest available software.

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.