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.

• 10165917Sep 30, 2019Engine cooling. 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.
• 10165913Sep 27, 2019Electrical system. This Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set.
• 10165904Sep 25, 2019Electrical system. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
• 10165898Sep 20, 2019Electrical system. This Preliminary information communicates information for the dealer to reprogram the IPC to correct the Off-Road Mode not being able to be selected using the Driver Mode Control Switch.
• 10166638Sep 18, 2019Equipment. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10165887Sep 13, 2019Body and structure. This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new 2020 HD Silverado and Sierra.
• 10165881Sep 9, 2019Brakes. This Preliminary information communication provides information to the dealer about vehicles with the ABS light or Service Stability Message displayed with C050A or C0504 DTC's set. Dealer may find manufacturing debris on the wheel speed sensor reluctor wheel causing this concern. Dealer is to clean the debris from the reluctor wheel and evaluate for concern.
• 10165880Sep 9, 2019Engine cooling. 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.
• 10165873Sep 5, 2019Engine cooling. This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10165870Sep 5, 2019Engine cooling. This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
• 10165861Sep 3, 2019Equipment. This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P11D5, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.
• 10165125Aug 29, 2019Wheels. This informational bulletin provides information on Wheel Balancer Mounting Instructions.
• 10165080Aug 26, 2019Engine cooling. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
• 10165116Aug 23, 2019Engine cooling. This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
• 10165087Aug 23, 2019Equipment. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
• 10165124Aug 21, 2019Engine cooling. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10165084Aug 20, 2019Equipment. This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.
• 10165126Aug 19, 2019Equipment. This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
• 10165121Aug 15, 2019Engine cooling. This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 10165093Aug 14, 2019Fuel system. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
• 10165122Aug 13, 2019Engine cooling. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 10165103Aug 13, 2019Equipment. This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone.
• 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.
• 10164750Aug 7, 2019Equipment. This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
• 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.
• 10164738Aug 1, 2019Engine, Electrical system. This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.
• 10163690Jul 31, 2019Equipment. This Preliminary information communicates AFM / DFM usage Information. providing additional information on the AFM and DFM systems
• 10163900Jul 26, 2019Equipment. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
• 10163671Jul 19, 2019Back-over prevention (rear camera). This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
• 10163886Jul 8, 2019Other or unknown. This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
• 10163222Jun 27, 2019Engine. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
• 10163216Jun 27, 2019Equipment, Engine. This informational bulletin provides information on higher than expected oil consumption.
• 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.
• 10163270Jun 26, 2019Steering. This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
• 10163268Jun 26, 2019Electrical system, Equipment. 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.
• 10162158Jun 26, 2019Engine cooling. This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 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.
• 10163227Jun 24, 2019Engine. This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
• 10163226Jun 24, 2019Fuel system. This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians may find DTCs P0087, P018B, P228A, P228B or P2635 set in ECM.
• 10163225Jun 24, 2019Engine cooling. This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.
• 10163208Jun 24, 2019Fuel system. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
• 10163214Jun 17, 2019Wheels. This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.
• 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.
• 10162119Jun 11, 2019Transmission and drivetrain. This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
• 10163236Jun 10, 2019Equipment. This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the new Chevrolet Silverado and GMC Sierra 2500HD-3500HD pickup trucks.

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