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    Reliability

    Overall Reliability

    The 2021 Silverado 2500HD has about average reliability compared to other cars from the same model year.

    Most Common Trouble Spots
    Common Trouble Spot
    Common Trouble Spot

    Owner Reported Trouble Spots

    The Reliability score is based on our latest subscriber survey of 2021 Chevrolet Silverado 2500HD owners. The owner comments describe problems respondents experienced with this vehicle.

    Body Hardware

    Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.

    What Owners Say

    Seat controls - power

    "Driver side leg support quit working."

    Anonymous, CA (2021 Chevrolet Silverado 2500HD LTZ 6.6-L V8 diesel)

    Fuel System/Emissions

    Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.

    What Owners Say

    Emission control devices (includes EGR)

    "Truck keeps giving a P1089 code that the dealer can't fix after 3 years trying."

    Anonymous, IA (2021 Chevrolet Silverado 2500HD High Country 6.6-L V8 diesel)

    Electrical Accessories

    Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.

    What Owners Say

    Remote engine starter

    "Would not start and it was not the remote itself it was the remote Start module."

    Anonymous, FL (2021 Chevrolet Silverado 2500HD LTZ 6.6-L V8 diesel)

    Transmission Minor

    Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.

    What Owners Say

    Transmission computer

    "Recall to do a update on transmission. No performance issues were seen prior to recall"

    Anonymous A., WI (2021 Chevrolet Silverado 2500HD LT 6.6-L V8 diesel)

    Transmission Major

    Transmission rebuild or replacement, torque converter, premature clutch replacement.

    Drive System

    Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.

    Climate System

    AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.

    Engine Electrical

    Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.

    Brakes

    Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.

    Engine Major

    Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.

    Noises/Leaks

    Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.

    Engine Minor

    Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.

    Suspension/Steering

    Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.

    Engine Cooling

    Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.

    In-car Electronics

    Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.

    Exhaust

    Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.

    Paint/Trim

    Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.

    2021 Pickup Trucks Reliability

    This Car
    vs. Similar Cars

    Chevrolet vs. Other New Car Brands Reliability

    Reliability History
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    Overall Reliability Verdict

    NA

    POTENTIAL TROUBLE SPOTS
    Powertrain
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Engine Major
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Engine Minor
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Engine Cooling
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Engine Electrical
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Transmission Major
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Transmission Minor
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Drive System
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Fuel System/Emissions
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Exhaust
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Suspension/Steering
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Brakes
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Climate System
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Build Quality
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Electrical Accessories
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Body Hardware
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Paint/Trim
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Noises/Leaks
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    In-car Electronics
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    NA
    Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for about 380,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2025 vehicles are holding up in 20 potential trouble spots, ranging from the engine, transmission, electric motor, EV charging, and brakes, to power equipment and the electrical accessories.
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