2020 Chevrolet 3500

Owner complaints

What owners report most

1. Electrical system1
2. Power train1

Latest complaints

• Jul 7, 2025WV136,000 mi
  Power train
  The contact owns a 2020 Chevrolet Silverado 3500. The contact stated that while her husband was driving 70 MPH, the vehicle entered LIMP Mode with the check engine warning light illuminated. The contact then received an alert on the Chevrolet App stating, “Engine Transmission Code". Due to the…

  The contact owns a 2020 Chevrolet Silverado 3500. The contact stated that while her husband was driving 70 MPH, the vehicle entered LIMP Mode with the check engine warning light illuminated. The contact then received an alert on the Chevrolet App stating, “Engine Transmission Code". Due to the failure, the contact's husband drove in LIMP Mode to the nearest independent mechanic and the mechanic discovered that the pressure-controlled solenoid-A was defective and needed to be replaced. The dealer was notified of the failure and the contact was informed that the part needed for the repair was on backorder. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was approximately 136,000.

• Jun 24, 2025UT65,000 mi
  Electrical system › Integrated trailer brake control
  The contact owns a 2020 Chevrolet Silverado 3500. The contact stated while driving at an undisclosed speed, the service brake warning light illuminated. Additionally, the contact stated that the failure had occurred while the trailer was hitched to the vehicle. The vehicle was taken to the dealer…

  The contact owns a 2020 Chevrolet Silverado 3500. The contact stated while driving at an undisclosed speed, the service brake warning light illuminated. Additionally, the contact stated that the failure had occurred while the trailer was hitched to the vehicle. The vehicle was taken to the dealer where it was diagnosed with a failed trailer brake power module. The contact was informed that the trailer brake power module needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure but provided no assistance. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 65,000.

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 11011996This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
• 11011989This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
• 11011900This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
• 11011805This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when repairing wiring harnesses.
• 11011709This 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.
• 11011706THis Informational bulletin provides important instructions for contacting the Fleet Action Center for repair authorization prior to replacement of certain parts.
• 11011205This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
• 11010576This 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.
• 11010545This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
• 11010495This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S. Only).
• 11010491This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11010488This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
• 11010421This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 11009764This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
• 11009760This 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.
• 11009532This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 11009531This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 11009039This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
• 11009037This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
• 11008966This 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.
• 11008956This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
• 11008906This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 11008898The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
• 11007936This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
• 11007935This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
• 11007721This service bulletin provides information on AGM batteries that require less frequent charging in storage.
• 11007208This 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.
• 11007155This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
• 11007121This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 11007115This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 11007095This 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.
• 11006682This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
• 11006670This service 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.
• 11006621Vehicle 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 approach for dealers and customers.
• 11006511This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
• 11006473This 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.
• 11006421GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
• 11006377This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
• 11006305This Preliminary information communicates a diagnostic tip to inform dealership technician on how to reset/learn the BPP sensor in thePowertrain Interface Module (PIM)
• 11006290This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

Every Chevrolet 3500 model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.