2021 Chevrolet Silverado 2500 Technical Service Bulletins

1,073 technical service bulletins (TSBs) are on record for the 2021 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.

• 10217770Jul 14, 2022Transmission and drivetrain. This Preliminary information communicates an issue with the power assist steps having erratic operation and not staying deployed. Engineering is working on a fix.
• 10217764Jul 5, 2022Equipment, Brakes, Electrical system. This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
• 10217763Jul 5, 2022Equipment. This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. It also advises that once a repair is available that the PI will be replaced by a Service Bulletin.
• 10217762Jul 1, 2022Tires, Equipment. 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.
• 10216377Jun 29, 2022Engine cooling. This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield
• 10215655Jun 28, 2022Equipment. This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
• 10215643Jun 27, 2022Equipment, Engine cooling, Visibility (wipers, defrost, mirrors). This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
• 10215628Jun 24, 2022Equipment. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
• 10215627Jun 24, 2022Equipment. This service bulletin provides service information/procedures on continuous improvement Radio Software Version V158 Update to address customer comments on software related issues.
• 10215629Jun 23, 2022Engine cooling, Electrical system. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
• 10215626Jun 21, 2022Equipment. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
• 10214710Jun 17, 2022Equipment. This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen and No Communication with the Video Processing Module (VPM).
• 10216366Jun 16, 2022Engine. 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.
• 10216364Jun 15, 2022Transmission and drivetrain, Fuel system. This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission fluid temperature concern they should inspect for a twisted transmission cooler line. Technicians are instructed to disconnect the cooler line and untwist it then reconnect the cooler…
• 10214869Jun 15, 2022Engine cooling. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10214868Jun 15, 2022Engine cooling. This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact.
• 10214858Jun 15, 2022Transmission and drivetrain. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
• 10214860Jun 14, 2022Electrical system. This informational bulletin advises the technician to check for faults that may be caused by the trailer other wise found by a possible faulty trailer connector.
• 10214859Jun 14, 2022Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.
• 10216361Jun 13, 2022Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10216358Jun 9, 2022Back-over prevention (rear camera). This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
• 10214502Jun 9, 2022Engine cooling, Electrical system. This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes.
• 10214510Jun 8, 2022Engine cooling. This engineering information (EI) closure ends the need for further information from the field in regards Service Emission System and/or DEF Level Low message on driver information center (DIC).
• 10214501Jun 6, 2022Wheels. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10216352Jun 2, 2022Fuel system, Electrical system. This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector.
• 10213713Jun 2, 2022Electrical system, Engine cooling, Transmission and drivetrain. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or “Service Emissions System” message on the Driver Information Center (DIC).
• 10213700Jun 1, 2022Equipment, Steering. This service 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.
• 10213535May 27, 2022Engine cooling, Electrical system. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
• 10213258May 27, 2022Other or unknown. This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
• 10213523May 25, 2022Engine cooling. This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3.
• 10213255May 25, 2022Engine, Equipment. This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.
• 10213517May 24, 2022Engine cooling. THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber.
• 10213515May 24, 2022Electrical system, Exterior lighting. This informational bulletin provides information on Information on Common Customer Trailer Side Faults.
• 10213252May 19, 2022Equipment. This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.
• 10213229May 19, 2022Transmission and drivetrain. 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.
• 10213034May 19, 2022Engine cooling. This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.
• 10213032May 19, 2022Transmission and drivetrain. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
• 10213036May 16, 2022Fuel system, Engine cooling, Brakes, Wheels. This informational 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.
• 10213022May 16, 2022Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10212908May 12, 2022Engine 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.
• 10212951May 11, 2022Engine cooling, Fuel system. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center (DIC).
• 10212910May 11, 2022Wheels. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10211936May 4, 2022Equipment, Wheels. This informational bulletin provides the way to correctly tighten lug nuts to reduce the chances of damaging the cap covers.
• 10211934May 3, 2022Forward collision avoidance, Electrical system. This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC).
• 10213779May 2, 2022Steering, Back-over prevention (rear camera). This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft.
• 10211937May 2, 2022Brakes. 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.
• 10211658May 2, 2022Engine, Equipment. This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
• 10211071Apr 27, 2022Equipment. This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values.
• 10211061Apr 27, 2022Engine cooling. This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
• 10211090Apr 26, 2022Engine cooling. 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 Front of Engine.

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