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Service bulletins for the 2019 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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
19NA1042020-04-06. Service bulletin. EQUIPMENT; STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
18NA2792020-03-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
PIP5673A2020-01-21. Service bulletin. STRUCTURE. This Preliminary information communicates advises the technician that the ECM part number will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
N1922564002019-10-21. Service bulletin. SERVICE BRAKES, HYDRAULIC; STRUCTURE. N192256400 - Service Update. Certain vehicles may have the E-boost brake pipe(s) contacting the main body wiring harness in the under-hood compartment. A brake pipe contact to the wire harness may cause wear to the brake pipe abrasion sleeve, potentially resulting in the pipe coating experiencing wear and exposing the pipe to additional corrosion. Dealers are to add sumi wraps to the E-boost pipes.
18NA3432019-07-29. Service bulletin. SEATS; STRUCTURE. This technical bulletin provides a procedure to remove grease and install BRS tape to the spacers for the seat frame to eliminate a squeak type noise.
19NA0962019-07-01. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. This technical bulletin provides repair information to correct a customer concern of hearing clicking, popping, tapping, creaking, flexing, rubbing or rattle noises from roof area during turns or driving over uneven pavement.
18NA2792019-07-01. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES; STRUCTURE. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
N1822065002019-06-24. Service bulletin. STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS. N182206500 - Service Update Bulletin - Certain vehicles were built without required protective metal coating on the hood ball stud bracket. Over time, metal to metal contact may create a corrosion issue in which the ball stud bracket used to anchor the hood could cause visible rust. Dealers are to replace the hood ball stud bracket.
17NA1532019-05-20. Service bulletin. EQUIPMENT; STRUCTURE:BODY:HATCHBACK/LIFTGATE; STRUCTURE. This informational bulletin provides information and operating tips for the hands free lift gate.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.