# Service bulletin 08\-293\-25

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: 11023066
- Published by NHTSA: 2025\-09\-10
- Manufacturer's number: 08\-293\-25
- Manufacturer's date: 2025\-09\-04
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

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 inspecting and possibly reprogramming of the DASM \(ACC\), Instrument Panel Cluster \(IPC\) and Haptic Lane Feedback \(HALF\) with the latest available softwar

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023066-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023066-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

C1409

## Vehicles listed

- 2023 ALFA ROMEO TONALE

JSON: [/v1/bulletins/11023066](/v1/bulletins/11023066)

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