2020 GMC Yukon Technical Service Bulletins

775 technical service bulletins (TSBs) are on record for the 2020 GMC Yukon. 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.

• 10173950Mar 5, 2020Visibility (wipers, defrost, mirrors). Customer Satisfaction Program - Certain vehicles may have a condition in which the wrong front fascia grille and fog lamp bezels were installed on the vehicle. Dealers are to replace the grille and fog lamp bezels.
• 10174300Mar 4, 2020Tires. This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
• 10174301Mar 3, 2020Equipment. This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 10174073Mar 3, 2020Equipment. This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving.
• 10174307Mar 2, 2020Equipment. This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
• 10173416Feb 28, 2020Engine, Equipment. This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
• 10173393Feb 28, 2020Equipment, Body and structure. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10173415Feb 27, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10173414Feb 26, 2020Tires, Equipment. 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.
• 10172811Feb 26, 2020Engine, Fuel system. This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
• 10173418Feb 14, 2020Equipment. This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
• 10173417Feb 14, 2020Equipment, Wheels. This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
• 10173397Feb 14, 2020Equipment, Engine. This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
• 10172773Feb 14, 2020Equipment. This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 10173423Feb 13, 2020Electrical system. This engineering information (EI) is requesting information from the field to perform the check list provided and contact the engineer in regards to Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.
• 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.
• 10172777Feb 4, 2020Fuel system, Other or unknown. This technical bulletin provides a procedure to replace both fuel feed lines for a leak and/or noise coming from pulses in the fuel line.
• 10172884Jan 31, 2020Visibility (wipers, defrost, mirrors), Electrical system. This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
• 10172883Jan 31, 2020Electrical system, Visibility (wipers, defrost, mirrors). This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
• 10172294Jan 29, 2020Equipment. This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10171896Jan 28, 2020Engine. This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition.
• 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.
• 10171887Jan 22, 2020Latches, locks and linkages, Body and structure. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
• 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.
• 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).
• 10171894Jan 14, 2020Electrical system. This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off When Connected to the Single Port USB Hub.
• 10171265Jan 10, 2020Engine cooling. This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or history. The Camshaft Position Actuator Solenoid Valve may be sticking or binding causing the valve timing to be retarded. Dealer will need to cycle the Camshaft Position Actuator…
• 10171264Jan 10, 2020Engine cooling. This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust the engine oil level as needed.
• 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.
• 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.
• 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).
• 10169270Nov 20, 2019Brakes. This technical bulletin provides a procedure to add PET tape to the brake cables if the cause of the customers concern.
• 10169340Nov 19, 2019Equipment, Body and structure. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
• 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.
• 10168964Nov 12, 2019Equipment. This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.
• 10168212Oct 29, 2019Transmission and drivetrain. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
• 10167463Oct 28, 2019Electrical system. This Preliminary information communicates that an inoperative third row folding seat back may not fold down or up. This information advises dealers on how the seat functions and also a common area where an open circuit may be found between the third row seat module and the seat position sensor.
• 10167459Oct 25, 2019Engine cooling. This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have a rattle noise from the dash. Technician will need to inspect for the rear heater pipes contacting the passenger side exhaust manifold. If the rear heater pipe is found to be contacting the exhaust manifold, reposition the heater pipe so it no longer makes contact.
• 10168189Oct 17, 2019Suspension. This informational bulletin provides information for the customer a light contact between the front tire and the control arm when in full turn and at low speeds.
• 10168207Oct 16, 2019Equipment. This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
• 10167442Oct 15, 2019Electrical system. This Preliminary information communicates if the liftglass will not open using keyless entry to verify Valet Mode is not enabled.
• 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.
• 10168185Oct 11, 2019Electrical system. This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
• 10168186Oct 10, 2019Equipment. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
• 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.
• 10168204Oct 2, 2019Equipment. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).

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