2020 Chevrolet Silverado 3500: Problems & Reliability
CAUTION2020 Chevrolet Silverado 3500: CAUTION — 28 owner complaints, rated on its recalls: 8 campaigns, 2 for fire or crash risk; top issue: powertrain / transmission (9 complaints).
CarWhere's verdict score for the 2020 is 1.29, where 1.00 is a typical Silverado 3500 year once complaints are weighted for severity and spread over time on the road; caution starts at 1.25 and avoid at 1.60. Severity drives it: 82% of those complaints report a crash, fire or injury or involve a safety-critical system (engine, powertrain, steering, brakes or fuel).
Sources: NHTSA owner complaints (ODI), recall campaigns and manufacturer service bulletins, CarWhere verified buyer prices · Model years 2015–2026 compared · Updated 2026-11-07 · By CarWhere Research · Methodology
28
NHTSA complaints
1.29
Verdict score (1.00 = typical Silverado 3500 year)
934
Service bulletins
8
Recall campaigns
Most-reported 2020 Chevrolet Silverado 3500 problems
Powertrain / transmission is the clear leader, named in 32% of complaints.
| Component | Complaints | Share of 2020 complaints |
|---|---|---|
| Powertrain / transmission | 9 | 32% |
| Service brakes | 8 | 29% |
| Engine | 6 | 21% |
| Electrical system | 5 | 18% |
| Fuel / propulsion system | 3 | 11% |
A complaint can name more than one component, so shares can add up to more than 100%.
2020 Chevrolet Silverado 3500 recalls
8 recall campaigns on federal record for the 2020, reported between Nov 14, 2019 and Feb 13, 2026.
| NHTSA campaign | Reported | Component |
|---|---|---|
| 26V083000 | Feb 13, 2026 | Powertrain / transmission › Automatic transmission › Control module › Software |
| 24V797000 | Oct 24, 2024 | Powertrain / transmission › Automatic transmission › Control module › Software |
| 24V060000 | Feb 1, 2024 | Latches, locks & linkages › Tailgate › Latch |
| 20V792000 | Dec 17, 2020 | Seat belts |
| 20V446000 | Jul 30, 2020 | Air bags › Side/window › Curtain › Inflator |
| 20V324000 | Jun 4, 2020 | Structure › Body › Hood |
| 20V142000 | Mar 12, 2020 | Latches, locks & linkages › Hood › Latch |
| 19V814000 | Nov 14, 2019 | Seat belts › Pretensioner |
2020 Chevrolet Silverado 3500 service bulletins
The manufacturer has filed 934 technical service bulletins with NHTSA for the 2020 — close to the 764 of the median Silverado 3500 year from 2015 to 2026. Coded bulletins most often cover electrical system (228), engine & cooling (202), powertrain / transmission (126). Bulletins are repair instructions for dealer technicians, not recalls.
The 2020 vs. the year before and after
From the 2019 to the 2020, owner complaints rose 17% (24 → 28) — a step backward. The 2021 that followed rose 46% (28 → 41), so the 2020 is the cleaner of the two by count.
| Model year | Verdict | Complaints | Bulletins | Recalls | Avg. buyer-paid |
|---|---|---|---|---|---|
| 2019 Silverado 3500 | SOLID | 24 | 700 | 7 | — |
| 2020 (this page) | CAUTION | 28 | 934 | 8 | — |
| 2021 Silverado 3500 | CAUTION | 41 | 868 | 5 | — |
Prices are averages of CarWhere verified buyer transactions (shown when 3+ deals exist for the year). Full year-by-year table: Chevrolet Silverado 3500 years to avoid.
What to check on a used 2020 Chevrolet Silverado 3500
Powertrain / transmission (9 complaints on the 2020): test-drive from cold through every gear and feel for slipping, harsh or delayed shifts and shudder; ask whether the transmission fluid has been serviced.
Service brakes (8 complaints on the 2020): check pedal feel, pulling and grinding, look at rotor and pad wear, and ask when the brake fluid was last changed.
Engine (6 complaints on the 2020): cold-start it yourself and listen for ticking or knocking; check for oil leaks, low coolant and a lit check-engine light, and ask for oil-change records.
Electrical system (5 complaints on the 2020): test every light, window, lock, the infotainment screen and the charging system, and have the car scanned for stored fault codes.
Fuel / propulsion system (3 complaints on the 2020): smell for fuel around the car, watch for hesitation or stalling, and check for a lit check-engine light.
Recalls: confirm all 8 campaigns above were completed on this VIN.
Know what to pay for the right 2020 Chevrolet Silverado 3500 — then negotiate it
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FAQ
Is the 2020 Chevrolet Silverado 3500 reliable?
2020 Chevrolet Silverado 3500: CAUTION — 28 owner complaints, rated on its recalls: 8 campaigns, 2 for fire or crash risk; top issue: powertrain / transmission (9 complaints). CarWhere's verdict score for the 2020 is 1.29, where 1.00 is a typical Silverado 3500 year once complaints are weighted for severity and spread over time on the road; caution starts at 1.25 and avoid at 1.60.
What are the most common 2020 Chevrolet Silverado 3500 problems?
By NHTSA owner complaints, the most-reported areas on the 2020 Chevrolet Silverado 3500 are powertrain / transmission (9, 32%), service brakes (8, 29%), engine (6, 21%). The manufacturer has 934 service bulletins on file for this model year.
How many recalls does the 2020 Chevrolet Silverado 3500 have?
8 recall campaigns on federal record for the 2020 Chevrolet Silverado 3500, most recently 26V083000 (Feb 13, 2026, powertrain / transmission); 24V797000 (Oct 24, 2024, powertrain / transmission); 24V060000 (Feb 1, 2024, latches, locks & linkages). Recall completion is VIN-specific, so check the exact car.
How do I check a specific 2020 Chevrolet Silverado 3500 before buying?
Decode the VIN free at carwhere.com/tools/vin-decoder to confirm the build, then run the $9.99 CarWhere Full VIN Report for the exact VIN — recall, complaint, and service-bulletin record for this model year, the original window sticker where the manufacturer publishes one, and a market price check from verified buyers. One-time purchase, no subscription.
Sources & method
Complaint, recall and service-bulletin counts for the 2020 Chevrolet Silverado 3500 come from NHTSA's Office of Defects Investigation; the verdict is CarWhere’s severity-weighted, time-on-road-adjusted score compared with the model’s own median year. Complaints are owner allegations, not verified defects. Full methodology.