2018 Cadillac XTS Technical Service Bulletins

917 technical service bulletins (TSBs) are on record for the 2018 Cadillac XTS. 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.

• 10139284Jan 12, 2018Engine cooling. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
• 10139277Jan 12, 2018Equipment. This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
• 10139278Jan 8, 2018Electrical system, Transmission and drivetrain, Visibility (wipers, defrost…. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
• 10139276Jan 4, 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 (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.
• 10129051Jan 4, 2018Equipment. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components.
• 10139225Dec 22, 2017Equipment, Electrical system. This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay.
• 10139209Dec 21, 2017Fuel system. This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles.
• 10130544Dec 21, 2017Equipment. 17405 - Product Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles with California emissions certification. The system that verifies that the correct catalytic converter part is installed in these vehicles was not functioning properly at the time of vehicle assembly. Because of this condition, there is a potential that the installed catalytic converter does…
• 10139242Dec 19, 2017Equipment. This technical bulletin provides a procedure to replace the radio to correct the condition of Infotainment Display is Scrambled and/or Pixelated due to an internal radio concern.
• 10139215Dec 19, 2017Tires. This technical bulletin provides a procedure on how to correct tire pressure messages and dashes.
• 10139162Dec 19, 2017Engine cooling. This technical bulletin provides a procedure to install washers at the front differential mounts to change the angle of the differential and correct driveline vibration under heavy accel.
• 10126982Dec 19, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 10126973Dec 18, 2017Equipment. This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4).
• 10126972Dec 18, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10139208Dec 15, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10139167Dec 14, 2017Tires. This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
• 10139179Dec 12, 2017Transmission and drivetrain. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
• 10139212Dec 11, 2017Equipment. This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
• 10139182Dec 11, 2017Steering. This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
• 10126958Dec 11, 2017Engine cooling. This Preliminary Information communication provides information to the technician with information regarding high misfire rates always on #1 cylinder. A customer may complain of misfires or roughness on cold start up with a P0300 diagnostic trouble code. Technician is to add coolant dye to the system and run the engine through warm up to circulate the dye. Pressurize the cooling system after a cold soak and inspect…
• 10139185Dec 7, 2017Electrical system. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 10139181Dec 7, 2017Equipment. This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
• 10139170Dec 7, 2017Equipment, Electrical system. This informational bulletin provides information on the fact that WMA files are not accepted by the specific radios.
• 10126951Dec 6, 2017Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10139187Dec 5, 2017Electrical system. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139220Dec 4, 2017Equipment. This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle.
• 10139211Dec 4, 2017Equipment. This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures.
• 10139176Dec 4, 2017Equipment. This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.
• 10139186Dec 1, 2017Electrical system. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139099Nov 30, 2017Equipment. This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that experience normal audio. This could be due to interference from transmitting sources outside of Sirius XM?s frequency range.
• 10139088Nov 30, 2017Equipment, Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10140340Nov 28, 2017Equipment. This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU are not the cause.
• 10139116Nov 28, 2017Equipment. This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered.
• 10139085Nov 27, 2017Electrical system, Equipment. This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
• 10139141Nov 22, 2017Back-over prevention (rear camera). This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated
• 10139095Nov 22, 2017Equipment. This bulletin describes the Dealer special tool loan program process.
• 10139089Nov 22, 2017Equipment, Transmission and drivetrain, Engine. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
• 10139118Nov 17, 2017Equipment. This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.
• 10139108Nov 17, 2017Visibility (wipers, defrost, mirrors). This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt
• 10139090Nov 17, 2017Engine, Electrical system. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
• 10139152Nov 16, 2017Electrical system. This informational bulletin explains to the technician to charge the battery if the vehicle battery is discharged during transport.
• 10139151Nov 15, 2017Electrical system, Equipment. This informational bulletin provides information on the fact that WMA files are not accepted by the specific radios.
• 10139111Nov 14, 2017Engine cooling. This technical bulletin provides a procedure to replace the catalytic converters due to cracks that may cause a noise or exhaust smell within the cabin.
• 10125106Nov 7, 2017Electrical system. This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
• 10125104Nov 7, 2017Transmission and drivetrain, Steering. This Preliminary Information communication provides information to the technician about vehicles that if replacement of either shift paddle is necessary, the steering wheel does not need to be replaced nor does it need to be removed to replace either shift paddle.
• 10125102Nov 7, 2017Suspension. This Preliminary Information communication provides information to the technician about vehicles that may have sit lower at being parked for several days. It is important to note that, under normal conditions, it is typical and acceptable for the air suspension system to drop slightly over time. Dealers can remind customers that cycling the ignition or starting the vehicle will bring the trim height back to normal…
• 10134594Oct 25, 2017Equipment, Engine. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
• 10134621Oct 24, 2017Equipment. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
• 10134618Oct 23, 2017Equipment. 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.
• 10134612Oct 17, 2017Back-over prevention (rear camera). This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.

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