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Service bulletins for the 2017 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.

1316 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
17NA1862020-03-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Technical bulletin provides a procedure to replace the radio to correct radio personalization settings on the infotainment display and a blank HVAC pop-up selecting HVAC Control settings.
16NA3832020-03-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
PI0592F2020-01-21. Service bulletin. EQUIPMENT. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
100089009D2019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
080310006G2019-12-16. Service bulletin. EQUIPMENT; TIRES; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS. This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
080089014F2019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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).
010842001M2019-12-16. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
19NA2562019-12-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
100089009C2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on key code security and information on GM key code look up applications.
100089006G2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
010089010N2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
18NA3062019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
PIP56842019-11-12. Service bulletin. EQUIPMENT. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
17NA0732019-10-28. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
PIP5676A2019-10-15. Service bulletin. EQUIPMENT. This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.
PIP56762019-10-15. Service bulletin. EQUIPMENT. This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.
PIT3099S2019-10-15. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
N1922184302019-09-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. N192218430 - Customer Satisfaction Program. During service, certain vehicles equipped with OnStar (RPO UE1), may have received an incorrect and partially programmed/configured replacement OnStar module. This condition will disable certain OnStar features, including Remote Access (remote start, door lock/unlock, etc.), Connected Access (vehicle diagnostics, dealer maintenance notification, etc.), and Unlimited Access (Turn-by-Turn Navigation). The OnStar Safety & Security Plan (Automatic Crash Response and Stolen Vehicle Assistance) is functional. Dealers are to replace the OnStar module, program, confirm and register the new module correctly by pushing the blue button for confirmation with an OnStar advisor.
130089008B2019-09-23. Service bulletin. EQUIPMENT. This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
18NA1462019-09-23. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
19NA1422019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN. This technical bulletin provides information for new transmission oil to use, a procedure for exchanging the old fluid and adding the new fluid to a service transmission.
19NA0812019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides repair information to correct a customer concern of Audio Muting When Listening to Some SiriusXM Channels Due to Interference in Some Geographic Locations.
19NA0102019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Information on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Has Rotational Feature that Allows for Adjusting of the Angle of the HUD Image.
990089019R2019-08-19. Service bulletin. EQUIPMENT. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
PIT56982019-08-12. Service bulletin. EQUIPMENT. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

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