2019 Cadillac XT4 Technical Service Bulletins

832 technical service bulletins (TSBs) are on record for the 2019 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.

• 10165122Aug 13, 2019Engine cooling. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 10165123Aug 12, 2019Transmission 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.
• 10164763Aug 12, 2019Equipment. This PI was written to inform dealers of a condition where a "Climate off" message will be displayed on the screen even thought the HVAC system is fully operational. Dealers are also informed that engineering is working on a solution
• 10165096Aug 9, 2019Equipment. This Technical bulletin provides information for dealers/technicians on Radio Software Version V805 Over-the-Air Update Release.
• 10165079Aug 5, 2019Steering. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10163907Jul 31, 2019Electrical system. This engineering information (EI) bulletin is requesting information from the field on the malfunction indicator lamp (MIL) illuminating to develop/validate a field fix. This version updates the Correction steps.
• 10164113Jul 30, 2019Electrical system, Equipment. This informational bulletin provides information for dealers/technicians on Information on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Has Rotational Feature that Allows for Adjusting of the Angle of the HUD Image.
• 10163900Jul 26, 2019Equipment. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
• 10163906Jul 24, 2019Equipment. This engineering information (EI) bulletin is requesting information from the field on the malfunction indicator lamp (MIL) illuminating to develop/validate a field fix. This version updates the Correction steps.
• 10164116Jul 23, 2019Equipment, Brakes. This technical bulletin provides repair information to correct a customer concern of Rear Park Assist Inoperable.
• 10163675Jul 23, 2019Transmission and drivetrain. This Preliminary information communicates that the transmission assembly, the torque converter assembly, and the Stack Plate Heat Exchanger (Automatic Transmission Fluid Cooler Exchanger) restriction has ended.
• 10164114Jul 16, 2019Exterior lighting, Equipment. This technical bulletin provides repair information to correct a customer concern of the front turn signal lamp flashing fast, or inoperative.
• 10163663Jul 15, 2019Engine, Electrical system. This Preliminary information communicates the possibility of a reduced power message with dtc p2101 and/or p1516 due to potential throttle body issue.
• 10164127Jul 12, 2019Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch.
• 10207723Jun 26, 2019Brakes, Forward collision avoidance. Customer Satisfaction Program. Added approximately 1550 additional vehicles.
• 10163272Jun 26, 2019Equipment. The intent of this technical 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.
• 10163268Jun 26, 2019Equipment, Electrical system. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10163261Jun 26, 2019Fuel system. This 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 and the TOP TIER FUELS website URL.
• 10162159Jun 26, 2019Electrical system. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.
• 10163266Jun 25, 2019Equipment, Engine. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10163260Jun 25, 2019Equipment. This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
• 10163193Jun 25, 2019Equipment. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10163257Jun 20, 2019Electrical system. This Technical bulletin provides a procedure for dealers/technicians to correct a condition of Instrument Panel Cluster or Head-Up Display (HUD) Will Intermittently Black Out or Reset.
• 10163263Jun 11, 2019Electrical system, Equipment. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
• 10163277Jun 10, 2019Equipment. This engineering informational bulletin is requesting information from the field to determine the root cause of the overhead sunglasses compartment not being able to secure back into the resting position. Engineering to develop/Validate a Field Fix.
• 10163237Jun 10, 2019Engine cooling. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10161163Jun 10, 2019Equipment, Body and structure. This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise in passenger or driver upper B-Pillar area.
• 10163215Jun 6, 2019Transmission and drivetrain. This Bulletin provides guidelines for Dealers Not Required and 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.
• 10162103Jun 3, 2019Electrical system. This Preliminary information communicates advises the technician that the ECM part number will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10161364May 31, 2019Brakes. Customer Satisfaction Program - Certain vehicles under certain conditions when traveling at low speed from a stop, the power brake assist system may not activate. The brakes will continue to function, but additional brake-pedal pressure may need to be applied to brake the vehicle. In addition, the Service Brake Assist, Electronic Stability Control, Traction Control, and ABS lights will turn on. Dealers will…
• 10161880May 29, 2019Latches, locks and linkages, Body and structure. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
• 10161361May 28, 2019Fuel system. Customer Satisfaction Program. Certain vehicles may have a condition in which the fuel gauge does not accurately reflect the amount of fuel in the tank (may be overfilled or underfilled). A malfunctioning fuel level sensor may result in an incorrect gauge and the vehicle may run out of fuel unexpectedly. Replace the fuel tank sending unit.
• 10161042May 22, 2019Engine cooling. This Preliminary information communicates the possibility of DTC P3075 being set current or history due to low coolant level or air trapped in cooling system.
• 10161932May 21, 2019Engine cooling. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
• 10161040May 21, 2019Engine. This Preliminary information communicates the possibility of a rattle noise that can occur from the timing cover area due to sticking timing chain tensioner.
• 10161038May 21, 2019Equipment. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.
• 10161968May 20, 2019Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10161896May 20, 2019Back-over prevention (rear camera), Lane departure. This technical bulletin provides repair information to correct a customer concern of Rear Park Assist Inoperable.
• 10161035May 20, 2019Engine cooling. This Preliminary information communicates the possibility of dtc P3075 being set current or history due to low coolant level or air trapped in cooling system.
• 10161032May 17, 2019Transmission and drivetrain. This Preliminary information communicates that the transmission assembly, the torque converter assembly, and the Stack Plate Heat Exchanger (Automatic Transmission Fluid Cooler Exchanger) will be on restriction for engineering review.
• 10161024May 17, 2019Fuel system, Engine. This Preliminary information communicates to the dealer that a customer may comment that their MIL is illuminated due to a P0299 set current or in history. It contains diagnostic tip information related to a potential empty fuel level concern.
• 10161883May 16, 2019Engine, Transmission and drivetrain. This technical bulletin provides a procedure to replace the fluid cooler exchanger and the torque converter or transmission and torque converter, depending on if the exchanger leaked into the transmission fluid.
• 10161923May 15, 2019Seat belts, Seats. This informational bulletin provides information for dealers/technicians on informing customers on the release of a rear seat back (60%) stuck in down position/will not raise up, and/or front seat belt height adjuster stuck in the full down position.
• 10161900May 15, 2019Seat belts, Seats. This informational bulletin provides information for dealers/technicians on informing customers on the release of a rear seat back (60%) stuck in down position/will not raise up, and/or front seat belt height adjuster stuck in the full down position.
• 10161975May 14, 2019Visibility (wipers, defrost, mirrors). This engineering information PI ends the need for information from the field for issues on Sunroof and/or Sunshade with Loss of Express Motion or Sunshade Does Not Go Past Halfway Closed and to refer to SI for further diagnosis.
• 10161012May 13, 2019Transmission and drivetrain. This Preliminary information communicates that the transmission assembly, the torque converter assembly, and the Stack Plate Heat Exchanger (Automatic Transmission Fluid Cooler Exchanger) will be on restriction for engineering review.
• 10161951May 9, 2019Engine cooling. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10161906May 9, 2019Tires. This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
• 10161360May 9, 2019Engine cooling. Service Update - Revised Condition Statement. Certain vehicles may have a condition where some capacitors used on the purge pump printed circuit board (PCB), may have unknown performance. These suspect capacitors are used in multiple locations on the PCB. Depending on which capacitors fail, the purge pump may not operate as intended and a malfunction indicator lamp (MIL) may illuminate. Dealers are to replace the…
• 10161356May 9, 2019Engine cooling. Service Update. Certain vehicles may have a condition where some capacitors used on the purge pump printed circuit board (PCB), may have unknown performance. These suspect capacitors are used in multiple locations on the PCB. Depending on which capacitors fail, the purge pump may not operate as intended and a malfunction indicator lamp (MIL) may illuminate. In addition, there may be pump bearing issues which could…

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