2017 Cadillac CT6 Plug-In Hybrid Technical Service Bulletins

663 technical service bulletins (TSBs) are on record for the 2017 Cadillac CT6 Plug-In Hybrid. 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.

• 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.
• 10156986Aug 30, 2017Equipment. 17288-Service Update. Certain vehicles were shipped without fuel labels that recommend the customer use premium fuel rather than regular fuel. Dealers are to install the labels.
• 10140298Aug 30, 2017Equipment. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 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.
• 10140295Aug 22, 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.
• 10137733Aug 22, 2017Equipment. 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.
• 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.
• 10140302Aug 3, 2017Electrical system. This informational bulletin explains how the technician no longer needs to perform the 3 hour battery relearn procedure on 2017-2018 vehicles with Start/Stop.
• 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.
• 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.
• 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…
• 10108627Jul 18, 2017Engine, Equipment. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
• 10108626Jul 18, 2017Electrical system. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
• 10108625Jul 18, 2017Engine, Equipment. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
• 10108618Jul 18, 2017Tires. This informational bulletin provides information that the TPM sensors must always be relearned when accessory wheels are installed on the vehicle.
• 10126100Jul 17, 2017Wheels. This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.
• 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…
• 10114061Jul 5, 2017Forward collision avoidance. This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
• 10114056Jul 5, 2017Wheels, Steering, Brakes. This Preliminary information communicates to the dealer that a thump or bump feel or noise may exist on a hard apply of the brakes or when applying the brakes, letting or, then re-applying the brake when the steering wheel is in the straight ahead position. Engineering is investigating - do not replace parts at this time. This will not effect the safety or reliability of the vehicle.
• 10118291Jun 30, 2017Equipment. 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.
• 10118290Jun 30, 2017Equipment. 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…
• 10118286Jun 28, 2017Equipment. This Preliminary information communicates a possible P1FFE for a stuck sensor after Repair. This explains that air pocket could cause the sensor to get stuck. It explains the process for resting the sensor float.
• 10118274Jun 19, 2017Equipment. 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.
• 10118265Jun 15, 2017Equipment. This Preliminary Information communication provides information to the technician about vehicles that the radio will not retain the previous settings and will go to the Home Icon screen when the vehicle is restarted. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is currently evaluating this concern.

← All problems reported for the 2017 Cadillac CT6 Plug-In Hybrid