2018 Chevrolet Silverado 2500HD: problems, recalls and what it’s worth

Known problems on the 2018 Chevrolet Silverado 2500HD

No generation-wide weak spot is flagged in GarageIntel’s research for this year and model. A specific car can still have its own problems, so get it inspected.

2018 Chevrolet Silverado 2500HD recalls

NHTSA lists 5 recall campaigns for the 2018 Chevrolet Silverado 2500HD. Repairs are free at a dealer for the brand, and a dealer can confirm by VIN which were already done.

• EquipmentFire risk

  An electrical short-circuit can increase the risk of a fire.

  Details 21V496000

  General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500 and 2017-2019 GMC Sierra 2500 and 3500 vehicles equipped with a Duramax diesel 6.6 liter engine and an optional engine-block heater cord. An electrical short-circuit may occur in the engine-block heater cable or in the terminals that connect the heater cable to the block heater.

  Fix: Dealers will replace engine block heaters and heater cords. Vehicles that have this feature disabled as a remedy to the safety condition will be contacted and offered replacement block heaters and heater cords under a separate customer satisfaction program, free of charge. GM will provide free replacement block heaters and cords under a separate customer satisfaction campaign. For vehicles previously included in recall 19V-328, the heater cord will be replaced and rerouted, free of charge. Interim owner notifications were mailed on August 13, 2021. Owner notification letters are expected to be mailed on April 4, 2022. Customers may call GMC customer service at 1-800-462-8782. GM's number for this recall is 212329840.

• Engine & coolingFire risk

  A short-circuit may damage the engine components and increase the risk of fire.

  Details 19V328000

  General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 4500, 5500 and 6500 vehicles and 2017-2019 Chevrolet Silverado 2500 and 3500 vehicles and GMC Sierra 2500 and 3500 vehicles equipped with Duramax 6.6 liter diesel engines and an optional engine-block heater. The engine block heater cord or the terminals that connect the heater cord to the block heater may short circuit and fail.

  Fix: GM will contact owners, dealers will replace the engine block heater, free of charge. Additionally, in Chevrolet Silverado 2500 and 3500 vehicles, dealers will install a new rerouted heater cord. The recall began December 11, 2019. Owners may contact GM customer service at 1-586-596-1733. GM's number for this recall is N182206310.

• Airbags

  A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.

  Details 24V756000

  General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2018-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 Crew Cab trucks. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

  Fix: Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed November 8, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC Customer Service at 888-988-7267. GM's number for this recall is N242474500.

• Fuel system

  An engine stall increases the risk of a crash.

  Details 23V047000

  General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles equipped with a dual fuel tank option. The rear fuel tank may collapse and prevent the fuel pump from transferring fuel to the front tank, resulting in an engine stall.

  Fix: Dealers will inspect the fuel tank and fuel pump module, replacing them as necessary. Dealers will also add a vent hose to the rear tank assembly. Repairs will be performed free of charge. An interim owner notification letter informing owners of the safety risk was mailed on March 15, 2023. Owner notification letters were mailed June 21, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N222368030.

• Seat belts

  The seat belt retractors may not perform as intended during a crash, increasing the risk of injury.

  Details 17V567000

  General Motors (GM) is recalling certain 2017-2018 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 trucks. The front seat belt retractor assemblies were built with the incorrect torsion bar. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 209, "Seat Belt Assemblies."

  Fix: GM will notify owners, and dealers will replace both front seat belt retractor assemblies, free of charge. The recall began March 24, 2021. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's numbers for this recall are 17368, 17375, and 17376.

2018 Chevrolet Silverado 2500HD safety investigations and free repairs

No open safety investigations.

Free repairs to ask about (warranty extensions):

• Engine: Certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional engine-block heater cord, may have a condition in which the block heater cable function was disabled.
• Seats: Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part.
• Warranty extension: Customer Satisfaction Program.
• Heat and A/C: Certain vehicles may have a condition in which the block heater cable function was disabled.
• Brakes: Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance.

1 more in the full VIN report.

A dealer for the brand can check these by VIN.

Source: NHTSA, Sep 24, 2026.

2018 Chevrolet Silverado 2500HD safety and fuel

From NHTSA’s crash tests and the EPA’s fueleconomy.gov.

What owners complain about

53 complaints filed with NHTSA for this year and model, about average.

What a 2018 Chevrolet Silverado 2500HD is worth

Rough trade-in values — roughly what a dealer would pay — by mileage, from published trade-in guides. Private sales and dealer prices run higher. For the exact car, add its VIN.

Other Chevrolet Silverado 2500HD years

2010 2011 2012 2013 2014 2015 2016 2017 2019 2020 2021 2022 2023 2024