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.

• 10143429Jun 11, 2018Engine, Electrical 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.
• 10141371May 23, 2018Equipment, Electrical system. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
• 10141364May 18, 2018Engine cooling, Equipment. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer ofa repair kit they received that will prevent this issue when installed correctly.
• 10141359May 17, 2018Transmission and drivetrain. This Preliminary information communicates Parts Restriction for Transmission components for the new vehicle launch of the 2017 CT6 Hybrid.
• 10141351May 11, 2018Forward collision avoidance. This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
• 10141348May 8, 2018Equipment. This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
• 10137599Apr 27, 2018Equipment. This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
• 10137559Apr 25, 2018Equipment. This bulletin provides information on approved warranty part numbers for original equipment batteries.
• 10137556Apr 20, 2018Electrical system. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
• 10137589Apr 19, 2018Engine cooling. This informational bulletin provides information for engine oil life monitor operation calculation.
• 10137577Apr 19, 2018Electrical system. This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
• 10137562Apr 13, 2018Visibility (wipers, defrost, mirrors). This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic.
• 10137558Apr 9, 2018Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10137554Apr 9, 2018Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10137560Apr 6, 2018Body and structure. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10137484Apr 6, 2018Electrical system, Equipment. This Technical bulletin provides a procedure for radio replacement due to the radio tuner module being bad.
• 10137541Apr 5, 2018Engine cooling. This informational bulletin provides information on Hoot, Whine, Buzz, Hiss Noise Coming from Vehicle After Engine is Shut Off and that its a normal condition and no parts should be replaced.
• 10137537Apr 4, 2018Equipment. This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
• 10137557Apr 3, 2018Equipment. This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.
• 10137488Apr 3, 2018Electrical system, Engine cooling. The Preliminary Information communication advises the technician that the Technical Assistance Center has a Parts Restriction for Drive Motor Battery and the internal parts 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.
• 10137427Mar 29, 2018Equipment. This Bulletin provides information for clearing DTC U016B that was inadvertently set when the Technician was servicing the vehicle.
• 10137383Mar 28, 2018Transmission and drivetrain, Engine. This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
• 10137386Mar 27, 2018Electrical system, Equipment. 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.
• 10137381Mar 26, 2018Tires. 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 (in Canada, the 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.
• 10137420Mar 16, 2018Electrical system, Equipment. This informational bulletin provides information on Phantom Three Beeps or Horn Chirps Heard After Turning Off Vehicle and that it should be considered normal.
• 10137380Mar 16, 2018Equipment. This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles.
• 10137186Mar 13, 2018Engine. This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
• 10137182Mar 12, 2018Engine cooling. 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.
• 10137181Mar 12, 2018Engine. 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. Changes to Preliminary informationinclude adding MY2018, advising of calibration for previous investigation and adding pictures to identify concern. Also difining calibration update…
• 10137385Mar 9, 2018Equipment. This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
• 10137301Mar 8, 2018Engine, Equipment. This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement.
• 10137382Mar 7, 2018Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10137297Mar 1, 2018Wheels, Brakes. This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
• 10137375Feb 28, 2018Electrical system. This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
• 10129903Feb 28, 2018Electrical system. This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.
• 10137343Feb 27, 2018Engine. This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
• 10137283Feb 27, 2018Engine, Transmission 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.
• 10137378Feb 26, 2018Equipment, Electrical system. This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu.
• 10129900Feb 22, 2018Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
• 10137336Feb 19, 2018Equipment. This technical bulletin provides a procedure for replacing the auxiliary air conditioning evaporator seal due to warm air bypasses between the evaporator and the seal housing hitting the evaporator temperature sensor causing a false reading.
• 10137285Feb 16, 2018Visibility (wipers, defrost, mirrors). This technical bulletin provides sunroof noise repair information to correct various customer concerns of hearing a rattle, creak, tick, and/or double click noise during sunroof operation.
• 10137344Feb 15, 2018Electrical system, Engine. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
• 10137345Feb 13, 2018Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10129888Feb 13, 2018Fuel system, Engine. This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.
• 10137323Feb 7, 2018Electrical system. This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
• 10129867Feb 7, 2018Electrical system. The Preliminary Information communication advises the technician that the Technical Assistance Center has a Parts Restriction for Drive Motor Battery and the internal parts 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.
• 10129862Feb 6, 2018Equipment. 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.
• 10137341Feb 1, 2018Electrical system, Equipment. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10139283Jan 31, 2018Electrical system, Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139279Jan 31, 2018Engine cooling. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.

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