# Service bulletin PIC6606

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: 11018415
- Published by NHTSA: 2025\-05\-19
- Manufacturer's number: PIC6606
- Manufacturer's date: 2025\-05\-02
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates to the dealer/technician the steps needed to address a customer's concern of a Collision Alert or Driver Assist unavailable message and a U0235 DTC.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018415-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018415-9999.pdf)

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

## Trouble codes named

U0235

## Vehicles listed

- 2025 CADILLAC OPTIQ

JSON: [/v1/bulletins/11018415](/v1/bulletins/11018415)

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