# Service campaign N252500160

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 campaign
- NHTSA id: 11020865
- Published by NHTSA: 2025\-07\-23
- Manufacturer's number: N252500160
- Manufacturer's date: 2025\-07\-23
- Campaign id or software version: N252500160
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

If the driver receives a “Driver Assist Unavailable” message, and SuperCruise is non\-functional, all future OTA updates may fail. Dealers will perform a Serial Data Authentication Configuration to restore SuperCruise functionality and enable future OTA updates.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020865-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020865-9999.pdf)

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

## Vehicles listed

- 2025 CADILLAC OPTIQ

JSON: [/v1/bulletins/11020865](/v1/bulletins/11020865)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20campaign%20N252500160&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11020865&vehicle=Service%20campaign%20N252500160)