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Service bulletin 25-NA-026

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11014569
Published by NHTSA2025-02-27
Manufacturer's number25-NA-026
Manufacturer's date2025-02-11
NHTSA componentELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

NHTSA's summary

This service bulletin provides repair information to correct a customer concern of Service Drivers Assist Message Illuminated, Super Cruise Inoperable, and DTC U1624 Setting.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Electrical system, Adaptive cruise control

Trouble codes named

U1624

Vehicles listed
CADILLAC CT42025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIC65822024-12-05. Service bulletin. This Preliminary information communicates that a Service Drivers Assist message with Super Cruise inop and a U1624 May be found and that Engineering is working on a resolution.