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.

• 10118258Jun 12, 2017Equipment. This Preliminary Information communication advises the technician that the Product Quality Center has ended the part restriction for the T87A Transmission Control Module.
• 10118257Jun 12, 2017Engine cooling. This PI Communicates that there is a parts restriction on the toubochargers for this vehicle. The dealer must call PQC to order a replacement turbocharger.
• 10118256Jun 12, 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.
• 10118251Jun 7, 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.
• 10118250Jun 7, 2017Engine. This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal debris. Also inspect for damage to the cam caps Journals and camshaft journals on the heads. The check the timing chain idler sprockets for stiffness when turning. If any of…
• 10118237Jun 5, 2017Electrical system. This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for E82 engine control module Restriction Part Number 12659078. Dealer will have to call General Motors Product Quality Center for further assistance. Restriction has ended as of 6/3/2017and PI updated to reflect this.
• 10118235Jun 5, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicles that when watching a movie the audio does not match the video when playing though the vehicles speakers. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10118233Jun 2, 2017Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assistance. Technician can also contact Techline Customer Support Center for programming issues.
• 10137636May 31, 2017Electrical system, Lane departure. This technical bulletin provides a procedure to reprogram the FVCM if the battery has issues that are related to the front camera module.
• 10137665May 23, 2017Equipment. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
• 10137600May 22, 2017Wheels. This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
• 10137680May 19, 2017Brakes. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
• 10137601May 17, 2017Engine. This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces.
• 10137605May 15, 2017Equipment. This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
• 10137686May 11, 2017Engine. This engineering informational bulletin is ending the need for information from the field on vehicles that have the condition of Oil Leak Between Upper and Lower Oil Pan.
• 10137653May 10, 2017Engine, Equipment. This informational bulletin explains the difference in oil filters and the possibilities of what may happen using the incorrect filter.
• 10137640May 10, 2017Transmission and drivetrain. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
• 10137635May 10, 2017Equipment, Fuel system. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
• 10137649May 4, 2017Body and structure. This informational bulletin provides information and operating tips for the hands free lift gate.
• 10137602May 4, 2017Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10137603May 2, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10114043Apr 27, 2017Electrical system. This informational bulletin provides information on Wireless Charging Module Diagnosis.
• 10113881Apr 27, 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.
• 10113978Apr 26, 2017Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10114039Apr 24, 2017Equipment. This New Model Feature Bulletin provides General Information and other Topics to help the Service and Sales Personnel become familiar with the features specific to the 2017 Cadillac CT6 Plug In.
• 10114038Apr 24, 2017Equipment. This informational bulletin provides information for technicians to clear codes and for dealership personnel to advise the customers to avoid resting their foot on the brake pedal while using the accelerator pedal.
• 10114034Apr 21, 2017Transmission and drivetrain. This technical bulletin provides a procedure to replace the transmission for conditions of No Propulsion, Malfunction Indicator Lamp, Battery Cut Off Indicator, and Shift to Park Messages, with DTC P0A5E, P0A61, P0A64, P0A67, P0A6A, or P0A6D Set due to poor open welds or cold welds on the flex lead wires for the electric motors.
• 10114031Apr 20, 2017Electrical system. This technical bulletin provides a procedure to reprogram the EBCM to correct the customers concern of the Service Soon light on.
• 10114001Apr 20, 2017Forward collision avoidance. This technical bulletin provides a procedure to perform an update on the Radar Sensor Module to reduce possibilities of the Adaptive Cruise Control not working when there are no objects detected.
• 10113983Apr 20, 2017Equipment, Suspension, Engine. This informational bulletin advises the technician not to change the crankshaft balancer if it has the illusion of a wobble or vibration appearance.
• 10114027Apr 19, 2017Wheels. This informational bulletin provides information on Non-Design Intent Wheel Lock Nuts and Lug Nuts.
• 10113985Apr 19, 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.
• 10113993Apr 18, 2017Equipment. this informational bulletin provides Information on Using MyBuick, MyCadillac, MyChevrolet, and MyGMC Phone Applications to Control GM Accessory Remote Start Kits.
• 10114048Apr 12, 2017Equipment. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10113977Apr 10, 2017Equipment. This informational bulletin provides information on proper use of floor mats.
• 10113996Apr 7, 2017Transmission and drivetrain. This technical bulletin provides a procedure to reprogram the TCM to correct the DTC set.
• 10113994Apr 6, 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.
• 10113979Apr 6, 2017Electrical system, Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10113976Apr 6, 2017Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10138085Mar 31, 2017Transmission and drivetrain. This bulletin provides a procedure to replace the crankshaft balancer if found the cause of the customers concerns of noises or sparks.
• 10138042Mar 30, 2017Engine cooling. This informational bulletin provides additional information on what oil to use in the 2.0L engines to eliminate the risk of engine/piston failure.
• 10138086Mar 29, 2017Suspension. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
• 10138082Mar 29, 2017Electrical system. This technical bulletin explains why the brakes are applying in reverse and to not replace parts but wait for a software update.
• 10138080Mar 28, 2017Electrical system. This technical bulletin has a procedure to reprogram the HPCM to to correct the customers concern.
• 10138174Mar 24, 2017Transmission and drivetrain, Engine, Equipment. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle.
• 10126028Mar 23, 2017Transmission and drivetrain. 17098 - Service Update. Certain vehicles may have a condition where a false failure action is being taken when it is not required. This condition can result in the transmission holding the last known safe gear for 6 seconds. A malfunction indicator lamp (MIL) is set when this default happens more than 2 times, and reduced propulsion can happen for all 8-speed transmission applications. Dealers will reprogram the…
• 10138170Mar 20, 2017Electrical system, Equipment. The Preliminary Information communication advises the technician that the Technical Assistance Center has aParts Restriction for Drive Motor Power Inverter Control Module for the new vehicle launch of the 2017 Cadillac CT6 Plug In Hybrid.The dealer technician is advised to call the GM Technical Assistance Center for further assistance.
• 10138169Mar 20, 2017Transmission and drivetrain, Electrical system. The Preliminary Information communication advises the technician that the Technical Assistance Center has a Parts Restriction for Hybrid Powertrain Control Module 2 for the new vehicle launch of the 2017 Cadillac CT6 Plug In Hybrid. The dealer technician is advised to call the GM Technical Assistance Center for further assistance.
• 10138032Mar 20, 2017Wheels. This informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing each scenario and documenting findings. This technical bulletin provides a procedure to install dust deflectors when replacing wheel bearings on vehicles no matter what the concern is of the vehicle. This technical bulletin provides a procedure to reprogram the TRCM to correct the customers…
• 10138087Mar 17, 2017Steering. This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir.

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