2025 Cadillac XT4 Technical Service Bulletins

250 technical service bulletins (TSBs) are on record for the 2025 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.

• 11019872Jun 26, 2025Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11019781Jun 26, 2025Brakes. Service Update. Certain vehicles listed above may have a condition in which braking performance is reduced, vehicle top speed is limited, and MIL notification is provided to the customer. Dealers are to replace the brake master cylinder assembly.
• 11019670Jun 20, 2025Other or unknown. Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owner’s manual and warranty insert…
• 11025937Jun 19, 2025Other 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™
• 11019846Jun 19, 2025Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to off.
• 11019844Jun 18, 2025Other or unknown. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
• 11019843Jun 17, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11019591Jun 17, 2025Other or unknown. Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owner’s manual and warranty insert…
• 11019692Jun 12, 2025Other or unknown. This Preliminary information communicates to the dealer the direction needed to address a dark rear vision camera image at night.
• 11019823Jun 10, 2025Other or unknown. This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
• 11019693Jun 9, 2025Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11026104Jun 7, 2025Wheels. This service bulletin provides information on Tire Sidewall Irregularities.
• 11026017Jun 5, 2025Engine. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 11019533Jun 2, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11019074May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
• 11019073May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
• 11019072May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
• 11018659May 22, 2025Other or unknown. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
• 11018656May 22, 2025Other or unknown. This Preliminary information communicates to the technician to replace the catalytic converter, pre and post oxygens sensor as an assembly. Engineering is collecting parts to determine the cause of the P0420.
• 11024485May 15, 2025Engine. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
• 11018475May 13, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11023051May 8, 2025Forward collision avoidance. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
• 11020254May 7, 2025Engine. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
• 11019545Apr 24, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11019503Apr 18, 2025Engine. This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
• 11017310Apr 18, 2025Other or unknown. This Preliminary information communicates if a customer and service tech encounter a gear display after a radio update, to replace the A11 radio for this concern.
• 11019516Apr 17, 2025Suspension, Steering, Transmission and drivetrain. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
• 11017285Apr 16, 2025Other or unknown. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
• 11017274Apr 16, 2025Other or unknown. This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram the A11 radio module to correct this.
• 11017271Apr 16, 2025Other or unknown. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
• 11017270Apr 16, 2025Other or unknown. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
• 11017257Apr 16, 2025Other or unknown. This Preliminary information communicates how to recover the Image Processing Module.
• 11019515Apr 14, 2025Engine. This engineering information (EI Lite) ends the need for gathering further information using the Field Product Reporting (FPR) App process for vehicles where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles.
• 11017258Apr 14, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11016990Apr 12, 2025Other or unknown. This Preliminary information communicates a "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 the FAB has been set to "Alert".
• 11019017Apr 10, 2025Electrical 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.
• 11016984Apr 10, 2025Other or unknown. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
• 11016982Apr 9, 2025Other 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.
• 11017839Apr 8, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11017595Apr 3, 2025Electrical system. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
• 11016667Apr 2, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11017318Mar 31, 2025Electrical system, Back-over prevention (rear camera). Some customers may comment on the park assist switch flashing and/or a ‘Service Side Detection’ DIC message.
• 11017244Mar 31, 2025Electrical system. The intent of this service 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.
• 11016196Mar 31, 2025Other or unknown. This Preliminary information communicates to the dealer the direction when they encounter a customer concern when the door speakers are inoperative when using their fob to remote start the vehicle.
• 11017246Mar 29, 2025Other or unknown. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
• 11017247Mar 28, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11017279Mar 27, 2025Body and structure, Electrical system. This technical bulletin provides a procedure for replacing the liftgate actuator due to quality issues.
• 11014634Mar 27, 2025Engine. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
• 11017263Mar 25, 2025Engine. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
• 11017207Mar 21, 2025Other or unknown, Electrical system. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.

← All problems reported for the 2025 Cadillac XT4