# Service campaign N252500160\-01

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: 11020868
- Published by NHTSA: 2025\-07\-23
- Manufacturer's number: N252500160\-01
- Manufacturer's date: 2025\-07\-23
- Campaign id or software version: N252500160\-01
- NHTSA component: UNKNOWN OR OTHER; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

## 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-11020868-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020868-9999.pdf)

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

## Components

Driver assistance, Adaptive cruise control

## Vehicles listed

- 2025 CADILLAC OPTIQ

## Other bulletins for the same vehicles and component

- [25\-NA\-060](/bulletins/11017004.md), 2025-04-15, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This service bulletin provides information for dealers/technicians on Diagnostic Aid \- Super Cruise Unavailable.

JSON: [/v1/bulletins/11020868](/v1/bulletins/11020868)

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