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Service bulletin 18065

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 id10139295
Published by NHTSA2018-06-04
Manufacturer's number18065
Manufacturer's date2018-03-21
NHTSA componentWHEELS:HUB; WHEELS; ELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

18065 - Service Update. A splash shield in the right front hand wheel house may have not been installed. Customers may experience a no start condition due to debris and water entering the impacted area covered by the shield. Dealers are to install a splash shield if it is missing. They should also inspect the two ring terminals (starter / ground) within the impacted area for corrosion and clean the area as necessary.

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

Electrical system, Equipment and accessories, Wheels, Wheel bearing

Vehicles listed
CADILLAC CT6 PLUG-IN HYBRID2018 (the catalog's model; the bulletin names a series or trim of it)

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