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.

• 11011991Nov 25, 2024Engine. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
• 11011946Nov 22, 2024Visibility (wipers, defrost, mirrors). This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.
• 11011900Nov 22, 2024Engine. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
• 11011347Nov 22, 2024Electrical system, Other or unknown. This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.
• 11011231Nov 8, 2024Body and structure. This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
• 11011704Nov 7, 2024Body and structure. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
• 11011709Nov 5, 2024Engine, Body and structure, Wheels, Other or unknown, Brakes. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
• 11011367Oct 28, 2024Electrical system, Other or unknown. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
• 11011205Oct 28, 2024Steering, Transmission and drivetrain, Engine. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
• 11009118Oct 25, 2024Other or unknown. This Preliminary information communicates information on adding RPO UF3 Fast Idle to a vehicle.
• 11011018Oct 22, 2024Brakes. This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments.
• 11010901Oct 17, 2024Electrical system. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
• 11011443Oct 15, 2024Fuel system. This Preliminary information communicates information on faulty replacement K111 Fuel Pump Driver Control Module.
• 11010874Oct 15, 2024Fuel system. This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
• 11010576Oct 11, 2024Other or unknown. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
• 11010639Oct 9, 2024Engine. This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions and when the time is right to fill the DEF at that time frame.
• 11010545Oct 9, 2024Other or unknown. This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
• 11010566Oct 8, 2024Body and structure. This service 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).
• 11010573Oct 7, 2024Engine. This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
• 11010544Oct 7, 2024Engine. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
• 11010493Oct 5, 2024Body and structure, Other or unknown. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 11010490Oct 5, 2024Engine. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 11010488Oct 3, 2024Other or unknown. This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
• 11010421Oct 3, 2024Electrical system. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 11010495Oct 2, 2024Other or unknown. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 11010491Oct 2, 2024Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11009532Sep 27, 2024Engine. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 11009531Sep 27, 2024Engine. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 11009463Sep 25, 2024Wheels, Transmission and drivetrain, Brakes. This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
• 11009462Sep 23, 2024Fuel system. This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
• 11009764Sep 21, 2024Other or unknown, Body and structure. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
• 11009760Sep 21, 2024Electrical system. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
• 11009430Sep 19, 2024Fuel system, Engine. This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTCs P2463 P2459 P11FB P11D3.
• 11009756Sep 17, 2024Engine, Transmission and drivetrain. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
• 11009099Sep 17, 2024Steering, Electrical system. This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
• 11009093Sep 16, 2024Transmission and drivetrain. This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.
• 11009088Sep 16, 2024Transmission and drivetrain. This service bulletin provides information on some vehicles that 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.
• 11007807Sep 16, 2024Engine. This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
• 11009039Sep 14, 2024Other or unknown. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
• 11007739Sep 12, 2024Other or unknown. This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim selection is in development.
• 11009037Sep 10, 2024Other or unknown. This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
• 11009031Sep 10, 2024Steering, Wheels. This informational bulletin provides information on Steering Bump or Clunk Noise on Rough Roads or Potholes.
• 11008966Sep 9, 2024Transmission and drivetrain. This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
• 11008956Sep 9, 2024Other or unknown. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
• 11007214Sep 6, 2024Transmission and drivetrain. This Preliminary information communicates the results if an in-correct P/N Stator Shaft Support was installed during a transmission repair attempt.
• 11007208Sep 6, 2024Other or unknown. 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.
• 11007183Sep 6, 2024Other or unknown, Electrical system. This Preliminary information communicates a diagnostic tip for an SES MIL at startup with DTC U0100. Dealer are to test the accessory wake up circuit to the ECM for power.
• 11008898Aug 27, 2024Other or unknown. The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
• 11006621Aug 26, 2024Electrical system. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined…
• 11007936Aug 22, 2024Suspension. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

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