2016 Cadillac CT6Service bulletins
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.
- 10159579Sep 26, 2017Engine. This informational bulletin advises the technician not to change the crankshaft balancer if it has the illusion of a wobble or vibration appearance.
- 10157027Sep 21, 2017Equipment, Back-over prevention (rear camera), Brakes, Lane departure. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268, and/or U0269 stored in the active safety module. Technician should inspect his Multiple Diagnostic Interface cable for damage.
- 10159570Sep 20, 2017Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
- 10157026Sep 20, 2017Equipment. This Preliminary information communicates to the dealer technician that Engineering is investigating an evaporator freeze condition and not to replace parts if SI diagnostics do not lead to a concern.
- 10157020Sep 20, 2017Equipment, Electrical 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.
- 10157018Sep 20, 2017Fuel system, Tires, Equipment, Electrical 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.
- 10159613Sep 19, 2017Electrical system. This informational bulletin provides information for programming the low speed LAN module due to the mirrors memory position reverse tilt position is inoperative.
- 10157016Sep 19, 2017Equipment, Engine cooling. This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
- 10159575Sep 14, 2017Electrical system. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
- 10159572Sep 14, 2017Equipment. This informational bulletin explains the importance of maintaining the vehicle.
- 10159569Sep 12, 2017Engine cooling, Equipment. This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
- 10156999Sep 11, 2017Equipment. 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.
- 10159601Sep 7, 2017Exterior lighting. This informational bulletin provides information for dealers, technicians and customers on a customer concern of the appearance of one or both front cornering lamps inoperative.
- 10159578Sep 7, 2017Electrical system, Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
- 10156990Sep 6, 2017Equipment. 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.
- 10159574Sep 5, 2017Engine. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
- 10140293Aug 31, 2017Engine cooling. This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage.
- 10137747Aug 29, 2017Equipment. This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Technician should not replace the Human Machine Interface for this concern, power cycling of the Human Machine Interface fuse should restore communication.
- 10140397Aug 24, 2017Engine. This technical bulletin provides a procedure to replace the engine for vehicles that have the condition of Loud Noise, Malfunction Indicator Lamp Illuminated, and/or No Start with DTC P0016, P0017, P0018, or P0019 Set, due to a broken engine crank sprocket.
- 10140300Aug 24, 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 40 and 128 KM/H (25 and 80 MPH) at a steady state.
- 10140406Aug 23, 2017Body and structure, Equipment. Thins informational bulletin provides information on Paint-less Dent Repair Process.
- 10137727Aug 21, 2017Engine. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
- 10156974Aug 10, 2017Equipment, Electrical system. 17185 - Service Update. Some vehicles equipped with Passive Entry Passive Start (PEPS) may have a condition in which the (PEPS) module was built with an incorrect hardware module, and is not able to be updated with corrected software. This may lead to instances of key fob battery drain, inoperable approach lighting or decreased, and run down of vehicle battery resulting in vehicle no start. Replace the keyless…
- 10156973Aug 10, 2017Electrical system. 17179 - Service Update. (Software Only) - Some vehicles may have been built with an incorrect calibration file affecting the passive entry passive start (PEPS) module. This condition may cause the key fob battery to drain, the approach lighting to become inoperative, and in some cases, the PEPS module may continuously ping the key fob below the voltage shut-off threshold, resulting in a low or dead vehicle battery…
- 10137711Aug 10, 2017Equipment. This Preliminary information communicates to the dealer technician a check procedure to perform if complaint of loss of airflow on 2016 - 2018 Cadillac CT6 and to contact GM technical assistance if the evaporator is confirmed to be freezing.
- 10137705Aug 9, 2017Equipment. This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
- 10140296Aug 7, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
- 10137699Aug 3, 2017Equipment, Engine. This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017.
- 10140297Aug 2, 2017Equipment. This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
- 10137697Aug 2, 2017Electrical system. This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Technician should not replace the Human Machine Interface for this concern, power cycling of the Human Machine Interface fuse should restore communication.
- 10140301Aug 1, 2017Transmission and drivetrain. The customer may comment on a buzzing noise and/or a vibration felt in the shifter assembly and/or shifter console during aggressive driving or during parking after the vehicle has warmed up. This may be caused by a vibration/frequency traveling through the transmission shift cable into the console area where the cable is attached to the shifter.
- 10126081Jul 31, 2017Equipment. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
- 10126113Jul 25, 2017Electrical system. This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use.
- 10126072Jul 25, 2017Equipment. This warranty administration bulletin provide policy information for collision towing and transport for Cadillac aluminum vehicles.
- 10126068Jul 25, 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.
- 10126065Jul 25, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
- 10126111Jul 24, 2017Electrical system. This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed.
- 10126075Jul 21, 2017Equipment. This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.
- 10114084Jul 20, 2017Equipment. This Preliminary Information communication advises the technician the transfer case in the 2016 Cadillac CT6 exchange program has ended and that the dealers can repair as needed.
- 10108645Jul 19, 2017Tires. This informational bulletin provides information on the temporary tire flat spotting condition.
- 10114082Jul 18, 2017Fuel system. This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F (37.7 C) degrees Mainly in TX, AZ, UT, NV, CA, NM (could be any state) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane…
- 10108624Jul 18, 2017Equipment. 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.
- 10108618Jul 18, 2017Tires. This informational bulletin provides information that the TPM sensors must always be relearned when accessory wheels are installed on the vehicle.
- 10108600Jul 17, 2017Equipment, Electrical system. 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.
- 10108594Jul 17, 2017Visibility (wipers, defrost, mirrors), Electrical system. 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.
- 10126096Jul 13, 2017Steering. This bulletin provides a procedure to re-torque the steering gears mounting bolts to specifications.
- 10114072Jul 13, 2017Back-over prevention (rear camera), Equipment. This Preliminary Information communication provides information to the technician about the rear view camera options on the vehicles equipped with rear view camera. The rear view camera brightness can be adjusted on some models while the transmission is in reverse and using the Menu or Select button. To turn off or on the guidelines in the rear view camera, use the radio display Config icon then Display, then the…
- 10114071Jul 12, 2017Fuel system. This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F (37.7 C) degrees Mainly in TX, AZ, UT, NV, CA, NM (could be any state) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane…
- 10114065Jul 7, 2017Visibility (wipers, defrost, mirrors), Lane departure. This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view…
- 10114063Jul 6, 2017Lane departure, Electrical system, Steering. This Preliminary Information communicates to thetechnician 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 from the…
← All problems reported for the 2016 Cadillac CT6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.