2020 Chevrolet Silverado 2500 Technical Service Bulletins

1,397 technical service bulletins (TSBs) are on record for the 2020 Chevrolet Silverado 2500. 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.

• 10174282Mar 18, 2020Electrical system, Latches, locks and linkages. This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all.
• 10174305Mar 17, 2020Engine cooling. This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
• 10174278Mar 17, 2020Transmission and drivetrain. This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition.
• 10173706Mar 17, 2020Electrical system. This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly.
• 10173705Mar 17, 2020Electrical system. This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly.
• 10174088Mar 13, 2020Electrical system. This informational bulletin provides information for dealers/technicians on Accessory Rear Seat Infotainment (RSI) Shuts Off, Coinciding with Closing of Door or Liftgate.
• 10173681Mar 9, 2020Tires. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
• 10173680Mar 9, 2020Suspension. This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer…
• 10173679Mar 9, 2020Visibility (wipers, defrost, mirrors), Equipment. This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
• 10174299Mar 6, 2020Equipment. This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10174081Mar 6, 2020Equipment. This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself.
• 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.
• 10173671Mar 3, 2020Engine. This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal.
• 10173670Mar 3, 2020Engine, Electrical system. This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.
• 10174307Mar 2, 2020Equipment. This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
• 10173416Feb 28, 2020Equipment, Engine. 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.
• 10172815Feb 28, 2020Equipment. This technical bulletin provides repair information to correct a customer concern of endgate will not auto open or auto close after accessory tonneau cover installation, and/or poor fit of tonneau cover to endgate.
• 10173415Feb 27, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10173414Feb 26, 2020Equipment, Tires. 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.
• 10172814Feb 26, 2020Equipment, Engine. This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.
• 10172813Feb 26, 2020Latches, locks and linkages, Equipment. This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all.
• 10172811Feb 26, 2020Fuel system, Engine. This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
• 10173408Feb 25, 2020Transmission and drivetrain. This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition.
• 10173404Feb 24, 2020Equipment, Steering. This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
• 10172326Feb 19, 2020Engine, Equipment. This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10173388Feb 17, 2020Body and structure. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
• 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.
• 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.
• 10172662Feb 14, 2020Engine cooling, Equipment. Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover.
• 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.
• 10172884Jan 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.
• 10172883Jan 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.
• 10172294Jan 29, 2020Equipment. This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10172290Jan 29, 2020Back-over prevention (rear camera), Wheels. This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
• 10172289Jan 29, 2020Steering. This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering Column Lock" message displayed with U0155 Set.
• 10171312Jan 29, 2020Transmission and drivetrain. This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause the engine to run rough and/or display reduced engine power message. Dealers are instructed to replace the throttle body assembly and install a grounding wire from the throttle body to the valve cover to prevent future failures.
• 10172288Jan 28, 2020Brakes. This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing.
• 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.
• 10171431Jan 28, 2020Electrical system. Service Update Bulletin - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a 2.7L Engine (RPO ENL), Engine Control Disable Start/Stop (RPO L3B), and a 3.5? Driver?s Information Center Display (RPO UDC), may have a condition where the start/stop disabling function does not work. Dealers will reprogram the engine control module (ECM) with an updated calibration.
• 10171428Jan 28, 2020Wheels. Service Update (Revised Service Procedure). Certain trucks may have lug nuts that are not tightened to specification. This condition may cause the wheel assembly to separate from the vehicle. Dealers will remove and reinstall all four wheels, torquing all lug nuts to spec.
• 10172293Jan 27, 2020Equipment, Wheels. This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
• 10171425Jan 24, 2020Wheels. Service Update. Certain trucks may have lug nuts that are not tightened to specification. This condition may cause the wheel assembly to separate from the vehicle. Dealers will remove and reinstall all four wheels, torquing all lug nuts to spec.
• 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.
• 10171300Jan 23, 2020Equipment, Electrical system. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
• 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.

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