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Service bulletins for the 2018 Cadillac CT6

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.

1096 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Wheel bearing are shown. Show all

Bulletins, newest first
180652018-06-04. Service bulletin. WHEELS:HUB; WHEELS; ELECTRICAL SYSTEM; EQUIPMENT. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.