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.

• 10138043Mar 17, 2017Brakes. This technical bulletin provides a procedure to apply copper paste to the brake calipers to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
• 10138095Mar 16, 2017Engine cooling. This engineering information bulletin ends the need for information from the field on vehicles that have the concern of a noisy water pump.
• 10138060Mar 15, 2017Equipment. This warranty administration bulletin provides policy information with the field action courtesy transportation policy.
• 10138026Mar 13, 2017Transmission and drivetrain. This informational bulletin advises the technician not to change the crankshaft balancer if it has the illusion of a wobble or vibration appearance.
• 10138025Mar 13, 2017Steering. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10138054Mar 10, 2017Electrical system. This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern is encountered, the technician should start by ensuring that the module being programmed is not a used module and that the VIN matches on VIN plate, TIS2web programming screen…
• 10138099Mar 9, 2017Engine cooling. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Oil Leak Between Upper and Lower Oil Pan.
• 10138053Mar 9, 2017Transmission and drivetrain. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
• 10138014Mar 7, 2017Equipment. This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules.
• 10138039Mar 3, 2017Equipment. This technical bulletin is providing a procedure to reprogram the HMI module to correct multiple conditions including Waiting for Update Media Message, Voice Command For Calling Bluetooth Phone Contacts Inoperative, Intermittent Loss of Rear Camera Gridlines, Service Rear Vision System Message, Radio Turns On Unwanted At Startup, and/or Navigation Radio Destination State Defaults To WV, Intermittent Radio/display…
• 10116589Feb 28, 2017Equipment. This informational bulletin provides information for dealers how to submit a product information report.
• 10113479Feb 28, 2017Equipment, 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.
• 10113460Feb 28, 2017Engine. This Preliminary Information communication provides information to the technician about vehicles that the engine stops running after extended idle with shifter in park. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. If the customer exits the vehicle with the fob in their possession while the engine is running and the shifter is left in park, the…
• 10113456Feb 28, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10116600Feb 27, 2017Transmission and drivetrain. This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 48 and 104 KM/H (30 and 65 MPH) at a steady state.
• 10113476Feb 24, 2017Engine cooling. This Preliminary Information communication advises the technician that vehicles equipped with an 3.0L twin turbo charged engine no longer need to contact PQC to order the ECM the restriction has ended.
• 10113454Feb 24, 2017Electrical system. This Preliminary Information communication provides information to help the dealership technicians perform a parasitic drain test for the OnStar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system.
• 10116637Feb 23, 2017Wheels. This Informational bulletin outlines the recommendations for aluminum and chrome wheel refinishing.
• 10116603Feb 22, 2017Air bags. This informational bulletin provides an upate for Cause information on Airbag Warning Lamp Illumination Condition.
• 10113443Feb 22, 2017Electrical system. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
• 10116605Feb 21, 2017Transmission and drivetrain. This Bulletin provides guidelines 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.
• 10113438Feb 20, 2017Equipment. 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.
• 10113437Feb 20, 2017Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using…
• 10113436Feb 20, 2017Steering, Electrical system. This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This…
• 10113383Feb 20, 2017Equipment. 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.
• 10116644Feb 17, 2017Engine. This engineering informational bulletin is requesting information from the field of vehicles with the condition of a SES light on with one or more DTC's set.
• 10113427Feb 17, 2017Electrical system. This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the activation is initiated by a Service Programming System.
• 10116585Feb 16, 2017Equipment. This informational bulletin provides information for dealers/technicians on when and how to submit a field product report.
• 10116584Feb 13, 2017Equipment. 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.
• 10113418Feb 13, 2017Engine. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need to perform published Service Information diagnostics. If technician finds carbon, an upper engine and valve cleaning should be performed. Update added part numbers for the…
• 10113417Feb 13, 2017Electrical system. This Preliminary Information communicationends thewireless charging module restriction through the General Motors Technical Assistance Center.
• 10113416Feb 13, 2017Equipment. 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…
• 10113413Feb 10, 2017Electrical system. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10116625Feb 9, 2017Engine. This informational bulletin provides additional information on what oil to use in the 2.0L engines to eliminate the risk of engine/piston failure.
• 10116623Feb 8, 2017Equipment. This technical bulletin provides a procedure to replace the garage door opener transmitter to correct a condition of poor range for the garage door opener.
• 10113377Feb 8, 2017Steering. 16189-01 - Service Update (Service Procedure Revised). Certain vehicles may have an electronic steering column lock ESCL) module installed that does not require the component. If the ESCL is not removed, the lock bolt can potentially move out of its position and lock the column. Inspect and, if present, remove the ESCL module.
• 10116596Feb 7, 2017Steering. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10113396Feb 3, 2017Brakes. This Preliminary information communicates that the rear virtual bumper may apply the brakes in reverse in temps under 10 C with no objects arround. Engineering is investigating.
• 10113367Feb 1, 2017Electrical system. 16078 -Service Update Bulletin. The light output of the forward Park/Position lamps is above design intent. The software in the Park/Position lamp?s electronic control unit was programmed incorrectly, leading to the Park/Position lamp?s electronic control unit to misinterpret the signals from the vehicle?s body control module. This results in higher-than-expected light output. Install right and left side in-line…
• 10116572Jan 31, 2017Equipment. This technical bulletin is providing a procedure to reprogram the HMI module to correct multiple conditions including Waiting for Update Media Message, Voice Command For Calling Bluetooth Phone Contacts Inoperative, Intermittent Loss of Rear Camera Gridlines, Service Rear Vision System Message, Radio Turns On Unwanted At Startup, and/or Navigation Radio Destination State Defaults To WV, Intermittent Radio/display…
• 10116540Jan 26, 2017Equipment. This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
• 10113346Jan 26, 2017Equipment, Lane departure, Forward collision avoidance. 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.
• 10116565Jan 25, 2017Engine. This technical bulletin provides a procedure to reprogram the ECM to correct the customers concern of delayed outside temp readings and MIL on.
• 10116539Jan 25, 2017Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10116547Jan 24, 2017Equipment. this informational bulletin provides Information on Using MyBuick, MyCadillac, MyChevrolet, and MyGMC Phone Applications to Control GM Accessory Remote Start Kits.
• 10116537Jan 19, 2017Tires. This technical bulletin provides a procedure on how to clean and resurface 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 (Clean and Resurface Wheel Bead Seat)
• 10116538Jan 17, 2017Electrical system. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
• 10116535Jan 13, 2017Wheels. This informational bulletin provides information on driving characteristics of rear-wheel drive vehicles and available winter tires.
• 10116534Jan 12, 2017Electrical system. This informational bulletin provides information on OnStar® VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better understanding of any field concerns that may develop.
• 10113328Jan 12, 2017Equipment. 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.

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