2018 Cadillac XT5 Technical Service Bulletins

1,021 technical service bulletins (TSBs) are on record for the 2018 Cadillac XT5. 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.

• 10155101Nov 5, 2018Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
• 10155080Nov 1, 2018Equipment. This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door trim panel for product issues covered under warranty.
• 10149059Oct 30, 2018Body and structure. This Preliminary information communicates an Intermittent No Crank, No Start, or Reduced Power loss of data multiple U codes or Intermittent Power Door Locks inoperative. Inspect harness for chaffed by the I-shaft at the base of the steering column. If chaffed, repair damaged wires and zip tie the harness away from the I-shaft. Also Inspect the HVAC drain hose is properly routed and not plugged.
• 10149057Oct 29, 2018Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced.
• 10147401Oct 23, 2018Equipment. This Preliminary information communicates
• 10147367Oct 10, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10147366Oct 10, 2018Seats. This Preliminary Information communication provides information to the technician with diagnostic tips for auto heated and ventilated seat operation. The auto thermal seats function activates seat heating or ventilation based on outside air temperature and the cabin air temperature control error. The cabin air temperature control error is the difference between cabin air target temperature and actual cabin air…
• 10147365Oct 9, 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.
• 10147363Oct 9, 2018Engine, Equipment. This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules.
• 10147348Oct 3, 2018Fuel system. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
• 10145463Sep 5, 2018Equipment. This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair.
• 10144476Aug 28, 2018Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10144465Aug 20, 2018Equipment. This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for preparation & washing of the bright aluminum moldings.
• 10144456Aug 14, 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.
• 10145172Aug 9, 2018Engine cooling, Transmission and drivetrain. 18237 - Emission Recall - TCM Software Potential Emissions Noncompliance. - General Motors has decided to conduct a voluntary emissions recall involving certain 2017-2018 model year vehicles equipped with an 8-speed transmission (RPO MRC) that were service programmed with incorrect transmission control module, (TCM) software.
• 10144455Aug 9, 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 defining calibration update…
• 10144454Aug 9, 2018Engine cooling, Electrical system. 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.
• 10144451Aug 8, 2018Engine. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
• 10143781Jul 26, 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).
• 10143772Jul 23, 2018Engine. This Preliminary information communicates a possible concern of machining debris in the oil filter from original build manufacturing.
• 10143758Jul 9, 2018Equipment. This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. There are pictures of all the individual modules for identification purposes.
• 10143756Jul 6, 2018Lane departure. This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view…
• 10143752Jul 3, 2018Visibility (wipers, defrost, mirrors). This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10143453Jun 26, 2018Engine. This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).
• 10143449Jun 20, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10143443Jun 14, 2018Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
• 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.
• 10143427Jun 8, 2018Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 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.
• 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.
• 10137598Apr 26, 2018Electrical system, Equipment. This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
• 10137595Apr 26, 2018Equipment. This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle.
• 10137559Apr 25, 2018Equipment. This bulletin provides information on approved warranty part numbers for original equipment batteries.
• 10137590Apr 20, 2018Body and structure, Electrical system. This informational bulletin provides information for dealership personal and technicians when replacing the body control module (BCM), that a 2nd design BCM is NOT interchangeable with the 1st design BCM.
• 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.
• 10137483Apr 16, 2018Seats. This technical bulletin provides repair information to correct a customer concern of front seat slight rocking movement while shifting weight from seat, during hard stops, and/or when driving over rough road surface.
• 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.
• 10137552Apr 13, 2018Equipment. This informational bulletin provides information on Install API Manager Message Displayed After Radio Replacement and that the process was not followed correctly if this image appears of replacing the radio.
• 10137495Apr 10, 2018Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 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.
• 10137574Apr 6, 2018Electrical system. This technical bulletin provides a procedure to repair the crankshaft positioning sensor wiring harness by installing a new wiring harness.
• 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.
• 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.
• 10137383Mar 28, 2018Transmission and drivetrain, Engine. This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.

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