WenmarOpen by Wenmar Pro

Service bulletin PIC6645A

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 id11037447
Published by NHTSA2026-09-22
Manufacturer's numberPIC6645A
Manufacturer's date2026-09-15
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary Information provides a repair direction for an inoperative amplifier module due to water intrusion.

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.

Vehicles listed
CADILLAC OPTIQ2025, 2026, 2027

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