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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11018415
Published by NHTSA2025-05-19
Manufacturer's numberPIC6606
Manufacturer's date2025-05-02
NHTSA componentUNKNOWN 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

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.

Trouble codes named

U0235

Vehicles listed
CADILLAC OPTIQ2025

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