2024 Cadillac XT4 Technical Service Bulletins

522 technical service bulletins (TSBs) are on record for the 2024 Cadillac XT4. 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.

• 11012929Jan 7, 2025Electrical system. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 11012930Jan 4, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11013072Jan 2, 2025Other or unknown, Electrical system. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11012889Dec 16, 2024Electrical system, Other or unknown. This service bulletin provides repair information on software release Update W52E-176.1.2-M170-SQBR5-250.2 to correct customer concern of radio software issues.
• 11012887Dec 16, 2024Electrical system, Other or unknown. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
• 11012001Dec 16, 2024Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
• 11012692Dec 14, 2024Other or unknown. This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
• 11012691Dec 14, 2024Other or unknown. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 11012690Dec 14, 2024Other or unknown. This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
• 11012190Dec 7, 2024Electrical system, Other or unknown. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11012189Dec 6, 2024Electrical system. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
• 11012183Dec 6, 2024Engine. This service bulletin provides diagnostic repair information to correct an oil leak on top of the engine that may be coming from cam carrier- T-joint area.
• 11011805Dec 6, 2024Other or unknown, Electrical system. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
• 11011694Dec 6, 2024Lane departure, Other or unknown. This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.
• 11011693Dec 6, 2024Other or unknown, Lane departure. This Preliminary information communicates how to recover the Image Processing Module.
• 11011690Dec 5, 2024Transmission and drivetrain. This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
• 11012003Nov 27, 2024Visibility (wipers, defrost, mirrors), Other or unknown. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
• 11012002Nov 27, 2024Electrical system, Other or unknown. This service bulletin provides repair information on software release Update W52E-176.1.2-M170-SQBR5-250.2 to correct customer concern of radio software issues.
• 11011989Nov 27, 2024Transmission and drivetrain. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
• 11011996Nov 25, 2024Other or unknown, Electrical system. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
• 11011900Nov 22, 2024Engine. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
• 11011339Nov 21, 2024Transmission and drivetrain. This Preliminary information communicates possible transmission fluid leak in the torque converter housing area from loose pump bolts.
• 11011904Nov 18, 2024Transmission and drivetrain. This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
• 11011860Nov 15, 2024Other or unknown, Electrical system. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11010722Nov 14, 2024Other or unknown. Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: Refinements: · Updates to driver assist alerts · Various software updates and improvements to customer experience​ · Improves screen brightness controls in night mode · Updates to vehicle theft features · Improvements to data & serial modules · Updates to screen blackout during vehicle reverse
• 11010712Nov 14, 2024Other or unknown. Great News! Your vehicle keeps getting better. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. Better Never Stops™
• 11011212Nov 8, 2024Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this communication issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
• 11011709Nov 5, 2024Engine, Body and structure, Wheels, Other or unknown, Brakes. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
• 11011173Nov 4, 2024Electrical system, Other or unknown. This Preliminary information communicates the direction a dealer/technician should take if a customer inquires about the installation of a trailer hitch or if the trailer lighting is inoperative for vehicles built without RPO option V92.
• 11009709Nov 4, 2024Other or unknown. Customer Satisfaction Program. Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
• 11011485Oct 30, 2024Other or unknown. This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.
• 11011225Oct 29, 2024Engine, Transmission and drivetrain. This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
• 11011367Oct 28, 2024Electrical system, Other or unknown. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
• 11011205Oct 28, 2024Steering, Transmission and drivetrain, Engine. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
• 11009150Oct 25, 2024Engine. This Preliminary information communicates the potential for dtc P2B81 to be set as current or in history due to increased friction in the wastegate valve.
• 11011465Oct 24, 2024Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
• 11011461Oct 24, 2024Other or unknown. This Preliminary information communicates information of an OnStar software concern.
• 11011012Oct 23, 2024Transmission and drivetrain. This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.
• 11009057Oct 22, 2024Engine. This Preliminary information communicates the potential for dtc P2B81 to be set as current or in history due to increased friction in the wastegate valve.
• 11009053Oct 22, 2024Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, it is normal operation and nothing should be replaced.
• 11010727Oct 18, 2024Other or unknown. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
• 11010726Oct 18, 2024Other or unknown, Electrical system. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11010901Oct 17, 2024Electrical system. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
• 11010708Oct 16, 2024Brakes. This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
• 11010576Oct 11, 2024Other or unknown. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
• 11011434Oct 9, 2024Electrical system. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
• 11010868Oct 9, 2024Seats. This technical bulletin provides repair information to correct a customer concern of Seats Will Intermittently Lose Memory Position Settings.
• 11010545Oct 9, 2024Other or unknown. This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
• 11010872Oct 7, 2024Seats. This technical bulletin provides repair information to correct a customer concern of Seats Will Intermittently Lose Memory Position Settings.
• 11010640Oct 7, 2024Electrical system, Other or unknown. This service bulletin provides service information for dealers/technicians on Radio Staying on for approximately One Minute After Vehicle is Shut Off and Door is Opened.

← All problems reported for the 2024 Cadillac XT4