2020 Chevrolet Silverado 1500 Technical Service Bulletins

1,554 technical service bulletins (TSBs) are on record for the 2020 Chevrolet Silverado 1500. 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.

• 10175746Apr 28, 2020Equipment, Electrical system. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
• 10174860Apr 27, 2020Engine cooling. This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.
• 10174857Apr 24, 2020Fuel system, Electrical system. This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel…
• 10175770Apr 21, 2020Equipment, Back-over prevention (rear camera). This technical bulletin provides repair information to correct a customer concern of Camera Display View Showing Wrong Make of Vehicle.
• 10174855Apr 21, 2020Engine cooling. This Preliminary information communicates The vehicle may have an SES lamp with any of the following DTC P06DA, P06DB, P06DC, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. Possible wiring jumper harness pintched between the X154 connector bracket and the front engine cover on lower left side of the engine.
• 10175758Apr 20, 2020Equipment, Seat belts. This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt.
• 10175756Apr 20, 2020Electrical system, Equipment. This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.
• 10174849Apr 20, 2020Engine cooling. This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data.
• 10174828Apr 20, 2020Engine cooling. This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components
• 10174826Apr 17, 2020Engine cooling. This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.
• 10174825Apr 17, 2020Engine cooling. This Preliminary information communicates an issue with the engine wiring harness shorting on the ecm mounting bracket and provides repair instructions.
• 10175760Apr 16, 2020Electrical system, Brakes. This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set.
• 10174824Apr 16, 2020Brakes, Electrical system. This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down. GM Engineering released updated cals for the BSCM to repair the issue.
• 10175749Apr 15, 2020Electrical system. This technical bulletin provides repair information to correct a customer concern of Blue Screen and Service Rear Vision System Message on Radio Display.
• 10175855Apr 14, 2020Equipment, Body and structure. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10174818Apr 14, 2020Electronic stability control. This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
• 10175766Apr 9, 2020Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio.
• 10175762Apr 7, 2020Engine, Electrical system. This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order.
• 10175761Apr 7, 2020Engine, Electrical system. This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
• 10175747Apr 6, 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.
• 10175852Apr 3, 2020Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10175859Apr 2, 2020Equipment, Engine. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan.
• 10174304Mar 31, 2020Equipment. This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
• 10174295Mar 27, 2020Engine, Fuel system. This informational bulletin advises the technician on where to located the fuel injector identification number.
• 10174087Mar 27, 2020Electrical system. This technical bulletin provides a procedure to program the glow plug control module if found the cause of the customers concerns.
• 10173724Mar 27, 2020Equipment, Transmission and drivetrain. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
• 10174439Mar 26, 2020Electrical system. This engineering information (EI) is requesting information from the field on conditions of Service Engine Soon (SES) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN. Eng is attempting to root cause condition and validate a field fix.
• 10174448Mar 25, 2020Other or unknown. This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to a Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown.
• 10174276Mar 24, 2020Electrical system, Equipment. This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.
• 10173718Mar 24, 2020Electrical system, Engine. This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting.
• 10174302Mar 20, 2020Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10174303Mar 18, 2020Equipment. This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.
• 10174282Mar 18, 2020Latches, locks and linkages, Electrical system. 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.
• 10173703Mar 16, 2020Electrical system. This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
• 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.
• 10174442Mar 6, 2020Transmission and drivetrain. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the transmission.
• 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.
• 10174438Mar 5, 2020Transmission and drivetrain. This engineering information (EI) ends the need for information from the field regarding 8 speed transmission shift quality.
• 10174300Mar 4, 2020Tires. This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
• 10173676Mar 4, 2020Electrical system, Brakes. This Preliminary information communicates an issue with a SES MIL and the Brake System Control Module setting false DTC's during shut down. GM Engineering is working on updated cals for the BSCM.
• 10173675Mar 4, 2020Engine. This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data.
• 10173674Mar 4, 2020Transmission and drivetrain, Electrical system. This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the information provided in this document to obtain the internal wiring harness part numbers by application.
• 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.
• 10174269Mar 2, 2020Equipment, Suspension. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
• 10173628Mar 2, 2020Equipment. The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. The dealer technician is advised to call the GM Product Quality Center for further assistance

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