2016 Cadillac CT6 Technical Service Bulletins

1,370 technical service bulletins (TSBs) are on record for the 2016 Cadillac CT6. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10118996Sep 1, 2016Equipment. 49560 - Service Update. An incorrect bolt installed on an engine ground may cause a vehicle to shut down while driving, with no restart. Dealers will inspect and, if necessary, replace a ground bolt.
• 10118911Sep 1, 2016Fuel system. This informational Bulletin provides Do's and Don'ts for maximizing gasoline engine fuel economy, other various tips and a list of websites for additional information.
• 10126158Aug 31, 2016Brakes. 43200 01 - Service Update. Bulletin was revised to add the 2017 model year Cadillac CT6.
• 10082412Aug 31, 2016Electrical system. This technical bulletin provides a procedure to check the cylinders for damaged pistons and determine if the use of aftermarket calibrations or performance parts may be the cause.
• 10126156Aug 30, 2016Transmission and drivetrain. 45070 - Service Update. Vehicles may have a loose transmission oil cooler line at the radiator which could cause transmission fluid to leak, resulting in a loss of propulsion. Dealers will inspect the installation of the transmission fluid cooler pipe, and if necessary, secure the transmission fluid cooler pipe.
• 10083241Aug 30, 2016Electrical system. This preliminary information communication provides information to the technician about the use of j-35616-64b terminal test probe, replacement terminals, and terminated leads. The j-35616-64b is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (j-38125-620h) located in lear tray 7 part number 963716-2.
• 10082807Aug 30, 2016Equipment. This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient temperature areas due to calibration concerns.
• 10082277Aug 30, 2016Tires, Equipment. This informational bulletin provides the correct information that is needed to correctly know what tpm sensor is needed to be installed on vehicles if there is accessory wheels installed and who to contact when the accessory wheels will not learn the tpm's to the vehicles.
• 10083325Aug 29, 2016Equipment. This preliminary information communication advises the technician that the human machine interface, radio or tuner, radio controls, integrated center stack, display, and media disc players are placed on restriction through the general motors technical assistance center. Dealer will need to contact general motors technical assistance center for further assistance.
• 10082869Aug 29, 2016Engine. This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
• 10126155Aug 26, 2016Engine cooling. 46310 - Service Update Bulletin. The incorrect upper radiator hose may have been installed during assembly between vehicles equipped with LGX Engines and LGW Engines. Both of these engines have unique upper radiator hoses, and interchanging them may create hose interference with the Air Box, eventually resulting in a coolant leak.
• 10082411Aug 26, 2016Equipment. This technical bulletin provides a procedure to enable the 4g lte wifi on newly delivered vehicles for some vehicles that were not shipped with the feature not enabled.
• 10081880Aug 19, 2016Transmission and drivetrain. This technical bulletin provides the procedures to complete a transsmission adaptive learn on all the different types of vehicles and transmissions based on rpo options to correct a condition of harsh shifts on hard accellerations.
• 10082510Aug 18, 2016Electrical system, Exterior lighting. This technical bulletin provides a procedure to reset the mec to zero to correct the customers concern of the night vision staying on during the day.
• 10082508Aug 16, 2016Equipment. This technical bulletin provides a procedure to remove the ipc to check the electrical connector for the night vision and correct the customers concern of the night vision is inoperative.
• 10126146Aug 15, 2016Engine cooling. 43880 02 - Service Update Bulletin (Warranty Information section revised). On some vehicles equipped with a start/stop engine control option, the system level interactions related to the transition of run/crank and accessory inputs to the engine control module (ECM) during a crank event are compromised. This results in communication issues between the ECM and the intelligent battery sensor.
• 10083080Aug 15, 2016Engine cooling. This preliminary information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a diagnostic trouble code p0521 in the engine control module. Technician should follow all published service information diagnosis.
• 10082865Aug 15, 2016Seat belts. This preliminary informational bulletin provides a procedure to reposition the front seat belt latch plate for concerns regarding the seat belt webbing or latch plate coming twisted.
• 10082822Aug 12, 2016Electrical system, Engine. This informational bulletin provides information on how to test a battery and what is needed to warranty a battery.
• 10082945Aug 11, 2016Electrical system, Engine. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a no crank no start due to a discharged battery.
• 10082863Aug 9, 2016Equipment, Electrical system. This informational bulletin provides information for ignition key, fob, key tags and key rings configuration for various vehicles and applying a qr code sticker or barcode sticker to the fob.
• 10082447Aug 8, 2016Engine cooling. This informational bulletin explains a possible normal whining noise from the balance shaft chain if the vehicle has less than 10,000 miles on it.
• 10126138Aug 5, 2016Engine cooling. 49270 - Customer Satisfaction. Certain vehicles, may have a condition in which engine oil may leak into the engine coolant from within the engine oil cooler core. Engine oil in the coolant system may lead to an over-temperature condition. Dealers will inspect the manufacture date of the engine oil cooler and for presence of engine oil in the engine coolant reservoir. The dealer will replace the engine oil cooler if…
• 10083131Aug 5, 2016Electrical system. This preliminary information communication provides the technician with steps on how to program an engine control module when getting a service programming system error code e4491 or e4423. In some cases techline customer support center may need to be contacted to resolve the issue.
• 10083181Aug 3, 2016Transmission and drivetrain. This preliminary information communication advises the technician on the steps to diagnose the intermittent noise of center bearing slinger and rubber bearing support. Technician is directed to replace propeller shaft.
• 10082860Aug 3, 2016Equipment. This informational bulletin provides information on gm does not approve the use of “clipping” to repair collision damage to vehicles. Gm has not tested or validated a “clipped vehicle” repair; therefore, gm cannot endorse this type of repair or confirm the crash performance during a subsequent collision.
• 10082437Aug 3, 2016Air bags. This informational bulletin provides information on locating and reconnecting airbag connectors that are not fully seated to correct a customer concern of an airbag warning lamp illuminated, or one, or more, airbag dtc(s) set.
• 10082342Aug 3, 2016Equipment. This informational bulletin provides information on the introduction of the new 2016 cadillac ct6 to help the service department personnel become familiar with some of the vehicle’s new features and to describe some of the action they will need to take to service this vehicle.
• 10083069Aug 2, 2016Seats. This preliminary information communication advises the technician that some customers may comment on the operation of their haptic seat during a lane keep assist event. Lane keep assist works differently than lane departure warning. The lane keep assist icon is solid amber, forward camera module is actively commanding a torque to electronic power steering. This means that the driver should also feel some feedback…
• 10082861Aug 2, 2016Electrical system. This technical bulletin provides a procedure to remove the transport mode on message displayed in the dic due to vehicles shipped over long distances outside the u.s. And canada.
• 10082823Aug 2, 2016Engine cooling. This informational bulletin explains the use of diesel fuel additives in an engine, are not required unless the customer desires additives to prevent fuel concerns depending on fuel or temperature related conditions.
• 10082814Aug 2, 2016Engine. This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
• 10082422Aug 2, 2016Equipment. This technical bulletin provides diagnostic tips to help correct multiple concerns regarding the usb port being inoperative or unable to play music through the usb port.
• 10082405Aug 2, 2016Equipment, Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure on replacing the sunroof wiring jumper harness due to the sunroof glass and/or sunroof shade is inoperative.
• 10082820Aug 1, 2016Engine. This informational bulletins provides information on the intake manifold inspection/replacement after servere internal engine damage.
• 10135433Jul 29, 2016Engine cooling. 44120 - Customer Satisfaction Program - Certain vehicles, equipped with an 8-speed automatic transmission, may have a condition in which the 2-3-4-6-8 Clutch Piston is out of specification. Parts as installed exhibited a crack condition as cast after machining. As a result the vehicle could exhibit 1-2 upshift slipping or a flaring condition.
• 10126063Jul 12, 2016Engine. This informational bulletin provides information on intake manifold inspection/replacement after severe internal engine damage.
• 10126062Jul 11, 2016Brakes. This informational bulletin provides information on installing the correct tires for vehicles with the condition of under hard acceleration at higher speeds, the traction control light will flash. Or, they may come in for ABS or general handling/braking concerns.
• 10100822Jul 11, 2016Engine. This informational bulletin provides the technician with what may happen to an engine due to lack of maintenance.
• 10108603Jul 1, 2016Equipment, Seats. 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.
• 10100801Jul 1, 2016Body and structure. 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.
• 10089409Jun 30, 2016Equipment. 49870 - service update. Certain 2016 model year cadillac ct6 vehicles may have a condition where ground contact of the splash guards may result in breakage, severe wear of the splash guards, and potentially buckle the fender’s inner flange. Dealers will un-install the front and rear splash guards, and plug the drilled holes with push pins.
• 10089108Jun 30, 2016Equipment. This technical bulletin provides a procedure to reprogram the hmi module to correct a condition of gps inoperative, red line across gps indicator or the location is stuck in warren michigan.
• 10094791Jun 29, 2016Engine, Electrical system. This engineering informational bulletin is requesting information from the field with the conditions of ses light is on and the vehicle may exhibit driveability concerns.
• 10080981Jun 29, 2016Equipment. This preliminary information communicates the procedure to the technician how to regain blu-ray/cd/dvd player function on all new generation infotainment systems with regular production option code u42 or uwg blu-ray players. If this concern is encountered, cycle the cd player/media disc player fuse and re-evaluate the concern.
• 10080920Jun 27, 2016Equipment, Seats. This preliminary information communication advises the technician that some customer may comment on the operation of their haptic seat during a lane keep assist event. Lane keep assist works differently than lane departure warning. The lane keep assist icon is solid amber, forward camera module is actively commanding a torque to electronic power steering. This means that the driver should also feel some feedback…
• 10089407Jun 23, 2016Vehicle speed control. 48050 - service update. Cruise control cannot be engaged. Cruise control icon in cluster will remains white, instead of turning green, when driver attempts to activate cruise control. Reprogram the active safety control module.
• 10088922Jun 23, 2016Transmission and drivetrain, Equipment. This technical bulletin provides a procedure to replace a shifter cable to correct the customers concern of a vibration and/or noise from the shifter assembly during aggressive driving and parking maneuvers when warm.
• 10088764Jun 17, 2016Visibility (wipers, defrost, mirrors), Equipment. This technical bulletin provides repair information on sunroof air deflector damage, caused by an interference between the deflector and the sunroof housing front beam and rails.
• 10082203Jun 14, 2016Equipment. This technicial bulletin provides information on testing the accm due to small amount of oil weeping including the correct cleaners to use for the oil/dye.

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