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
| 18NA343 | 2019-07-29. 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. |
|---|---|
| 16NA338 | 2019-07-29. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| 16NA222 | 2019-07-29. Service bulletin. EQUIPMENT. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. |
| PIP5593D | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that the 10L80 transmission has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. |
| PIC6365A | 2019-07-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended. |
| PIP5575C | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that the transmission control module P/N 24289415 is on restriction through the PQC. |
| PIP5654 | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that the valve body Part Unique Number (PUN) may contain the letter O or the number 0. |
| PIP5591B | 2019-07-08. Service bulletin. ELECTRICAL SYSTEM. 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. |
| 080730035D | 2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |
| 19NA096 | 2019-07-01. 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. |
| 16NA383 | 2019-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. |
| 16NA119 | 2019-07-01. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. |
| 080089014E | 2019-07-01. Service bulletin. EQUIPMENT. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). |
| 000310006N | 2019-07-01. Service bulletin. TIRES. This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). |
| 18NA355 | 2019-07-01. Service bulletin. POWER TRAIN. This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. |
| 18NA279 | 2019-07-01. 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. |
| N182206500 | 2019-06-24. 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. |
| PIP5575B | 2019-06-10. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This Preliminary information communicates to the dealer technician that the transmission control module P/N 24289415 is on restriction through the PQC. |
| PIC6365 | 2019-06-10. Service bulletin. EQUIPMENT. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended. |
| PIT5551D | 2019-06-10. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". |
| PIC6352A | 2019-06-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to inspect the LVDS cable connections if unable to learn the Night Vision camera. |
| PIC6339A | 2019-06-10. Service bulletin. STEERING; ELECTRICAL SYSTEM. This Preliminary information communicates to the dealer technician the need to disconnect the Steering Column Friction Control Module to correctly diagnose B290A SYM49. |
| PIP5593C | 2019-06-03. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that the 10L80 transmission has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. |
| PIP5569A | 2019-06-03. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly. |
| PIC6123C | 2019-06-03. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; LANE DEPARTURE. This Preliminary Information communication provides information to the technician for the adaptive cruise control or lane keep assist unavailable message in the driver?s information center after the vehicle has been parked in direct sunlight and high ambient temperatures. The cameras electronic control unit?s internal operating temperature range is -40 degrees Celsius to 85 degrees Celsius. If the temperature of the electronic control unit of the camera module exceeds 85 degrees Celsius the image processor will no longer function resulting in adaptive cruise control and lane keep assist to be unavailable until the temperature falls to below the maximum operating temperature range |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.