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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

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

Bulletins, newest first
15-00-89-0052017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
10-08-110-001D2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on the proper use of GM floor mats.
07-00-89-037H2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides policy information on courtesy transportation and roadside assistance programs.
PI14402017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system.
04-00-89-015J2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This warranty administration bulletin communicates GM required operating procedures (U.S. only) for service operations.
09-00-89-016D2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications.
02-00-89-002O2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians on when and how to submit a Field Product Report (FPR) (U.S. Dealers Only).
99-00-89-019M2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides dealership personnel with Global Warranty Management (GWM), Warranty Parts Center (WPC), and Parts Return Program information.
09-00-89-002K2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information to dealership personnel on properly maintaining vehicles in dealer inventory.
PI0091B2017-08-15. Service bulletin. EQUIPMENT. This preliminary informational bulletin provides repair information to correct a customer concern of Iitermittently key will not rotate in door or ignition lock cylinder.
11-08-49-001O2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This technical bulletin provides repair procedure information to correct a customer concern of Transport Mode On message displayed in Driver Information Center (DIC) and/or battery light is flashing.
02-08-42-001H2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information to assist dealership personnel with the identification of vehicle headlamp, tail lamp, license lamp or fog/driving lamp damage that are not considered warrantable.
15-00-89-0042017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
PIP5388B2017-08-15. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING. This Preliminary Information communication advises the technician that the 3.0L LGW engine is no longer on exchange and can be ordered directly from their parts distributor.
PIC5959C2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about vehicle that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the module.
PIP5338A2017-08-15. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include “Vibration” “Business Associate Code” and the last 8 of the Vehicle Identification Number.
GCUS-3-8482017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. 44180 02 - Customer Satisfaction. Certain vehicles may have key codes which were inappropriately handled by a third party which could increase the risk of vehicle theft. Dealers are to replace all applicable keys and lock cylinders with new key configurations.
PIC6123B2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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
PIT4733K2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician that customers may inquire as to the availability of OnStar bluetooth on their vehicle. Technician should be advised that Vehicles with Regular Production Option Code (UPF or UWE) offer Bluetooth through the OnStar system.
PIC5759B2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio ?maximum number of phones are currently paired to the vehicle?. Dealer should advise the customer this is normal operation of the vehicle due to the maximum number of five phones can be paired to a vehicle.
PIT5236J2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will need to ensure campaigns 14395 or 15086 are completed. Technician will need to use Global Diagnostic System 2 and gather information and contact General Motors Technical Assistance Center for further assistance.
PIC6177C2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides the technician with information on vehicles with navigation radio Regular Production Option Code IO6 or UY4 that defaults to West Virginia instead of Virginia on a manual entry. General Motors engineering is currently working on a solution for this concern.
PIC6220A2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; BACK OVER PREVENTION: CAMERA SYSTEM. This Preliminary Information communication provides information to the technician about vehicles with an intermittent loss of gridlines in the rear camera display screen and a "Service Rear Vision System" message that both happen at the same time. Technician should check for Diagnostic Trouble Codes and follow published Service Information diagnostics for the Diagnostic Trouble Codes. If not Diagnostic Trouble Codes stored and the concern was duplicated or the customer described the concern, dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is currently evaluating this concern.
PIC6216C2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles voice recognition inoperative for calling Bluetooth phone contacts. Technician will need to Clear All Private Data and repair any phones that were deleted.
PIC6186F2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about vehicles that the radio will turn on unwanted after a key cycle when the radio was shut off before the key was turned off. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.

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