2018 Buick Enclave Technical Service Bulletins

1,027 technical service bulletins (TSBs) are on record for the 2018 Buick Enclave. 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.

• 10172779Feb 13, 2020Electrical system. This technical bulletin provides a procedure to repair the crankshaft positioning sensor wiring harness by installing a new wiring harness.
• 10172778Feb 13, 2020Equipment, Brakes. This technical bulletin provides a procedure to replace the power brake booster vacuum check valve and hose to correct a condition of Intermittent Service Power Brake Assist Message With a Brake Shudder and Possible DTC P0557 Set/Stored due to the Power Brake Booster Vacuum Sensor providing intermittent incorrect vacuum values due to circuit board fault.
• 10172786Feb 7, 2020Engine, Equipment. This technical bulletin provides a Service Procedure to correct a Condition of Ticking, Tap or Rattle Noise from Engine.
• 10172784Feb 7, 2020Equipment, Engine. This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10173411Feb 5, 2020Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of Loss of Audio, Chime, or Turn Signal Click Clack, Abnormal Speaker Operation.
• 10172305Feb 4, 2020Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
• 10171318Jan 31, 2020Electrical system. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
• 10172294Jan 29, 2020Equipment. This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10172293Jan 27, 2020Equipment, Wheels. This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
• 10171875Jan 23, 2020Engine cooling. This informational 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.
• 10171302Jan 23, 2020Body and structure. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
• 10172285Jan 21, 2020Equipment. This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
• 10171892Jan 17, 2020Brakes. This technical bulletin provides repair information to correct a customer concern of a rear brake squeal noise.
• 10171888Jan 17, 2020Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
• 10171280Jan 14, 2020Engine cooling. 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. That any of the listed DTC's may set with or without poor engine performance.
• 10171270Jan 13, 2020Steering, Lane departure. This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from…
• 10171261Jan 9, 2020Brakes. This Preliminary information communicates information to diagnose DTC C056D or C056E.
• 10171260Jan 8, 2020Transmission and drivetrain. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
• 10171900Jan 7, 2020Electrical system. This technical bulletin provides a procedure to replace the right side low note horn assembly to fix a frequency that will cause distorted noise when reflecting off of the original horn assembly bracket.
• 10171878Jan 2, 2020Fuel system, Equipment. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 10170484Dec 19, 2019Lane departure. This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from…
• 10170480Dec 19, 2019Fuel system. This Preliminary information communicates noise condition that has been identified and the repair that is in process.
• 10170492Dec 13, 2019Body and structure, Electrical system. This technical bulletin provides repair information to correct a customer concern of the Accessory Rear Seat Infotainment (RSI) shuts off, coinciding with closing of a door or liftgate.
• 10170498Dec 12, 2019Equipment. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
• 10169357Nov 26, 2019Equipment. This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
• 10169352Nov 26, 2019Body and structure, Seats. This technical bulletin provides repair information to correct a customer concern of the Accessory Rear Seat Infotainment (RSI) shuts off, coinciding with closing of a door or liftgate.
• 10168981Nov 26, 2019Back-over prevention (rear camera). This Preliminary information communicates concern with the rear vision camera or surround vision camera image
• 10169355Nov 25, 2019Equipment. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
• 10168978Nov 22, 2019Transmission and drivetrain. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
• 10169359Nov 18, 2019Suspension. This engineering informational bulletin is requesting information on noise heard from the rear shock absorber.
• 10169341Nov 18, 2019Engine, Equipment. This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
• 10169301Nov 18, 2019Wheels. This technical bulletin provides a procedure to replace the axle nuts and washers if a clicking noise is heard on turns from the front.
• 10169646Nov 15, 2019Transmission and drivetrain. N192216310 - Service Update - Certain vehicles may have a condition wherethe customer may be able to shift out of park with and expired latent fault mode counter. This will only occur after the customer ignores multiple driver information center (DIC) and chime warnings. By design, the vehicle should not allow the driver to shift out of park once the latent fault mode counter expires. Dealers are to reprogram the…
• 10168967Nov 14, 2019Visibility (wipers, defrost, mirrors). This Preliminary information communicates that a customer may come to the dealer with a complaint of a hum, drone or pulsing type noise at times. On investigation the dealer may discover that this concern only occurs when the customer is driving with one or both rear windows down or one front window down.
• 10169298Nov 13, 2019Transmission and drivetrain. Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 10169356Nov 12, 2019Equipment, Wheels, Tires. This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
• 10169354Nov 12, 2019Equipment, Exterior lighting. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
• 10168960Nov 12, 2019Brakes, Wheels. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10168956Nov 5, 2019Electrical system. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2.
• 10168212Oct 29, 2019Transmission and drivetrain. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
• 10167460Oct 25, 2019Lane departure. This Preliminary Information communication provides information to the technician about vehicles that may 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…
• 10167455Oct 22, 2019Equipment. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
• 10168192Oct 21, 2019Transmission and drivetrain. This informational bulletin advises the tech of a possible normal condition caused when the transmission performs a 1-2 upshift at light throttle and why the D in the PRNDL will flash.
• 10168207Oct 16, 2019Equipment. This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
• 10168175Oct 14, 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.
• 10167437Oct 14, 2019Engine. 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. That any of the listed DTC's may set with or without poor engine performance.
• 10167434Oct 10, 2019Electrical system. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be…
• 10168208Oct 9, 2019Equipment. This informational bulletin provides information on key code security and information on GM key code look up applications.
• 10168205Oct 9, 2019Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10167425Oct 3, 2019Forward collision avoidance. 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".

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