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Service bulletins for the 2016 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.

1371 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
04-00-89-015K2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty informational bulletin provides a list of all the required operating procedures and explains them out to what is acceptable and not.
03-08-46-004R2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL. This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)
16-NA-0192017-08-15. Service bulletin. POWER TRAIN. This informational buleltin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares and information on transmission fast learns
16-NA-0112017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides a procedure to update your apple product to the latest software version to correct a condition of infotainment system will not return to media after bluetooth call ends
06-06-01-010C2017-08-15. Service bulletin. ENGINE. This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.
05-08-51-001H2017-08-15. Service bulletin. STRUCTURE:BODY. This informational bulletin provides information on removing paint stains on the under side of protective shipping film
03-08-46-004Q2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL. This informational bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules
99-00-89-019N2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for the (GWM) and (WPC) on parts return program.
08-08-44-015H2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs
05-03-08-002H2017-08-15. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This informational bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
05-00-89-055F2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information for GM dealer empowerment program and goodwill procedures.
02-00-89-002P2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for dealers/technicians on when and how to submit a field product report.
01-03-10-003N2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
PIC5492E2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
PIC62352017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician about vehicles that the navigation system will be unable to enter addresses that contain diacritics using the touch screen. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
03-03-10-007J2017-07-19. Service bulletin. TIRES. This informational bulletin provides information on the temporary tire flat spotting condition.
16-NA-0422017-07-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This informational bulletin provides information on GM offering the Android Auto feature upgrade for 2016 and 2017 model year vehicles and how to proceed with reprogramming the vehicles to include this application for use.
PI1385A2017-07-18. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This informational bulletin provides information that the TPM sensors must always be relearned when accessory wheels are installed on the vehicle.
16-NA-2352017-07-18. Service bulletin. EQUIPMENT:ELECTRICAL; SEATS:MID/REAR ASSEMBLY. This technical bulletin provides a procedure to inspect and snap the display bezel together that is causing the rear seat entertainment system not to deploy/stow fully.
PI1520C2017-07-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION; EQUIPMENT:ELECTRICAL. This preliminary informational bulletin provides information regarding the need to relearn the auto/start and stop feature on vehicles equipped after a repair has been completed on the vehicle.
16-NA-1972017-07-18. Service bulletin. ELECTRICAL SYSTEM:WIRING; VISIBILITY:SUN/MOON ROOF ASSEMBLY. This informational bulletin provides information on a diagnostic tip for a loose wire that would cause the sunroof glass to be inoperative with DTCs possibly being set.
16-NA-2222017-05-25. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES THE TECHNICIAN WITH WHAT MAY HAPPEN TO AN ENGINE DUE TO LACK OF MAINTENANCE.
16-NA-2202017-05-25. Service bulletin. STRUCTURE:BODY. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO FINESSE, BUFF, POLISH CIRCLES THAT MAY BE PRESENT ON VEHICLES THAT EXHIBIT THE CONDITION OF WHITE CLOUDY CIRCLES ON NEW VEHICLES.
PIT5384B2017-05-24. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE THE ONSTAR WIRELESS FIDELITY INOPERATIVE. TECHNICIAN WILL NEED TO CONTACT GENERAL MOTORS TECHNICAL ASSISTANCE CENTER WITH A SCAN TOOL CONNECT TO THE VEHICLE FOR FURTHER ASSISTANCE.
PIP5388A2017-05-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 3.0L TWIN TURBO CHARGED ENGINE HAS BEEN PLACED ON THE ENGINE EXCHANGE PROGRAM. DEALER WILL NEED TO CALL GENERAL MOTORS PRODUCT QUALITY CENTER FOR FURTHER ASSISTANCE.

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