2021 Chevrolet Silverado 6500 technical service bulletins
443 technical service bulletins and manufacturer communications cover the 2021 Chevrolet Silverado 6500, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This service bulletin provides information about GM Accessories
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- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- This PI was created to help address the correct repair regarding a low coolant message on the DIC
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- PI to help diagnose A/C concern
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- Pi created to provide GM dealers with information on gathering information for projection issue
- This PI instructs technicians to inspect the ground plane on MD Silverado vehicles with DTC P251A
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- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered...
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- The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
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- New Vehicle Monitoring Programs Section in IVH
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- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
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- Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an...
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- This service bulletin provides information on Tire Sidewall Irregularities.
- This service bulletin provides information on replacing the intake manifold when the engine is replaced...
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- The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle...
- This service bulletin provides information to dealership personnel for new vehicles with less than 1,000...
- This warranty administration bulletin provides policy information on vehicles outside of a California...
- Steering
- This warranty administration bulletin provides policy information for GM courtesy transportation and...
- The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential...
- This bulletin advises the technician to flush the cooling system multiple times if oil has been found in...
- This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be...
- This service bulletin provides information for dealers/technicians on Service Programming System (SPS)...
- This service bulletin provides information to diagnose batteries that have set for a long period of time...
- This warranty administration bulletin provides information regarding the field action courtesy...
- This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer...
- This informational bulletin provides a procedure on how to remove the paint stain that may present itself...
- This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the...
- This bulletin advises the tech to check other areas that may need repair before replacing the wheel speed...
- This service bulletin provides information on proper use of floor mats.
- This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
- This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil...
- This warranty administration service bulletin provides information about GM Accessories
- This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode,...
- This service bulletin provides information to inform dealership personnel about Law Enforcement and...
- This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and...
- This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using...
- This warranty administration bulletin provides policy information on the requirements for 12V battery...
- This warranty administration bulletin provide policy information for variable diagnostic time allowances...
- This informational bulletin provides information on higher than expected oil consumption.
- Electrical system
- This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- This informational bulletin advises the technician of how the Soot information has changed from grams to...
- This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone...
- This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter...
- This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified...
- This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center...
- This service bulletin provides information on key code security rules and information on GM keycode...
- This service bulletin provides guidelines and diagnostic/repair information to technicians regarding...
- This Warranty Administration bulletin provides information on the Global Warranty Management (GWM)...
- This informational bulletin provides information for dealers/technicians on Vibration Caused by Tires.
- This bulletin provides information on Warranty Administration – Required Operating Procedures
- This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline...
- This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer...
- This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission...
- This service bulletin provides information on some vehicles that may rock or move slightly forward or...
- This warranty administration bulletin provides policy information, proper labor operation selection and...
- This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
- This service bulletin provides information for dealers/technicians on When and How to Submit a Field...
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- Power train
- The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
- Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles
- This service bulletin provides information to dealership personnel on diagnosis and replacement of shock...
- This service bulletin provides graphics, information and guidelines for engine component wear to assist...
- Power train
- This service bulletin provides information on AGM batteries that require less frequent charging in storage.
- This service bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
- This service bulletin explains how to identify possible DEF system contamination.
- This service bulletin provides information on a guide to help reduce repeat visits for the same customer...
- This informational bulletin provides information for the technicians on where to look on the Duramax...
- This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the...
- This bulletin provides information on common diesel engine tick noises and how they are considered part of...
- This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the...
- This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
- This informational bulletin advises the technician that the engine and related parts will be debited if...
- This service bulletin advises about the possible issues that may occur when using a scotch brite pad or...
- This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER...
- This bulletin provides information on Engine Concerns that could result from lack of scheduled...
- This service bulletin provides service information for customer concerns of an in-tank fuel pump whining...
- This Warranty Administration service bulletin provides information for dealers/Service advisors on when...
- This informational bulletin provides a way for the technician to identify if the ECM has been modified.
- This informational bulletin explains why more DEF is being used in diesel engines due to new emission...
- This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a...
- This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
- This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C...
- GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities
- This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted...
- This service bulletin explains the difference in oil filters for gas engines with new oil pump control...
- This informational bulletin explains how the regen works for the DEF system and how it works at different...
- This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is...
- This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves...
- Information on Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector).
- This service bulletin provides information for replacement parts traceability (RPT) process to aid in...
- This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as...
- This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center...
- This service bulletin provides information for engine oil life monitor operation calculation.
- This warranty administration bulletin provides policy information requirements applicable to key fob...
- This Warranty Administration bulletin provides information on customer vehicles concern results in a...
- The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot...
- This bulletin provides a procedure to update the TCCM to correct a customer concern of Unable to Shift...
- This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
- This warranty administration bulletin provides policy information to cover GMs policy on performing GM...
- This Warranty Administration bulletin provides retail and wholesale service personnel with the...
- This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
- This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive...
- This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original...
- This service bulletin includes information on Interior Cleaning
- This service bulletin provides technicians with information to help identify the differences between what...
- This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market...
- This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
- This bulletin updates the position of General Motors on refinishing aluminum wheels
- This bulletin provides information for electrical ground repairs using new General Motors replacement...
- Structure
- Service brakes
- This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the...
- This informational bulletin provides a comparison sheet for the techs to aid while performing a transfer...
- This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...
- Service brakes
- Wheels
- This service bulletin provides information on the cold start control system in DI engines to reduce cold...
- This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
- This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus...
- Communicates the need for restriction on 2019 through 2023 6.6L L5D engines
- Structure
- This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License...
- This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- Electrical system
- Electrical system
- This service bulletin provides information on the use of the Engine Oil Life Monitor on L5D Diesel Engines.
- This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with...
- This informational bulletin provides information on Light and Medium Duty Truck Product Identification and...
- This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty...
- This service bulletin provides repair information to correct a customer concern of OnStar Inoperative...
- This service bulletin provides information on General Motors Dealership Critical Equipment Requirements...
- This service bulletin provides information about the Hunter wheel Road Force balancers that should be...
- This service bulletin provides information for dealers on how to submit a product information report (PIR)...
- This bulletin provides information on Warranty Administration – Required Operating Procedures
- This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
- This informational bulletin provides information on Available Top Speed Changes and how to reach them.
- This informational bulletin advised the technician that the engine and related parts will be debited if...
- This service bulletin provides technicians with updated information to help identify the differences...
- This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning...
- This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
- This technical bulletin provides a procedure to test and replace the high-pressure fuel injector...
- This service bulletin provides information for dealers/technicians on accessory all-weather floor liners...
- This service bulletin provides information on availability for a seat belt extender.
- This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market...
- This service bulletin provides information on Paintless Dent Repair Process.
- This service bulletin provides a procedure to replace the brake line pressure switch to correct a customer...
- This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter...
- This service bulletin provides information to dealership personnel on automatic transmission shift and...
- This service bulletin provides information for dealers/technicians on When and How to Submit a Field...
- This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
- Customer Satisfaction Program
- This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly...
- This informational bulletin provides a comparison sheet for the techs to aid while performing a transfer...
- This service bulletin provides information on availability of Diesel Fuel additives.
- This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full...
- This service bulletin provides service information on new torque specification and installation procedure...
- This technical bulletin provides a procedure to test and replace the high pressure fuel injector...
- This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning...
- This Warranty Administration bulletin provides policy information on Causal Part requirements for...
- This warranty administration bulletin provides policy information for variable diagnostic time allowances...
- This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water...
- This service bulletin provides information for dealers/technicians on the process to disable and enable...
- This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance...
- This service bulletin provides information for accurate tire pressures that ensure the safe handling and...
- This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
- This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
- Power train: transfer case (4-wheel drive)
- This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to...
- This message is to inform dealers that Customer Satisfaction Program N222378350, released on November 3,...
- This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required...
- This technical bulletin provides repair information to correct a customer concern of PTO (Power Take-Off)...
- Customer Satisfaction Program
- This service bulletin provides information on Module Harvesting.
- This service bulletin provides information on Handling Requests for Modifications to Permanently...
- This service bulletin provides information on OEM and Remanufactured Engine and Automatic...
- This service bulletin provides the technician with additional information on fuels, fuel additives and...
- This informational bulletin explains how to identify possible DEF contamination.
- This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
- This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic
- This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
- This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my...
- This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter...
- This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to...
- This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
- Back over prevention: camera system
- This service bulletin provides policy information on warranty administration guidelines for multiple...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- Floor Plan
- Floor Plan with Labor Op. On April 13, 2022, certain vehicles had their IVH status updated to CLOSED....
- Update on Stop Delivery Order
- This informational bulletin provides information on a guide to help reduce repeat visits for the same...
- This technical bulletin provides repair information to correct a customer concern of software anomalies in...
- Upcoming Field Action
- This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels...
- Stop Delivery Order: Reference Number N222362910
- Stop Delivery Order N222362910 Effective immediately, stop the delivery of certain 2022 model year...
- Wheels
- This information bulletin advised the tech of possible use of low fuel quality and the possible...
- This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken...
- This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or...
- Equipment
- This service bulletin provides service information for a DEF pump that is unable to build pressure after...
- Engine and engine cooling
- Heater Outlet Pipe ? Population Revised
- This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the
- This service bulletin provides information for dealers/technicians and customers on steam/vapor coming...
- This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with...
- Service Update Bulletin
- Service brakes
- Customer Satisfaction Program
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