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2020 Chevrolet 3500 problems

The most common problem on the 2020 Chevrolet 3500 is electrical system. It has fewer complaints than a typical 3500 model year.

Typical yearClose to a typical year
Owner complaints
2
Recalls
0
Service bulletins
3921 warranty
Worst area
Electrical

The worst 2020 Chevrolet 3500 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

  • Electrical
    1
  • Transmission
    1

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Electrical
    1
  • Transmission
    1

Recalls

No recalls on record for this model year.

Technical service bulletins for the 2020 Chevrolet 3500 392

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 392 bulletins for the 2020 Chevrolet 3500

What 2020 Chevrolet 3500 owners say

Most recent owner complaints, unedited.

Filed Jul 7, 2025 · Transmission · 136,000 miles · WV

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 federal safety agency Hotline for assistance. The failure mileage was approximately 136,000.

Filed Jun 24, 2025 · Electrical · 65,000 miles · UT

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 federal safety agency Hotline to report the failure. The failure mileage was approximately 65,000.

Compare the 2020 Chevrolet 3500

Other model years

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Questions about the 2020 Chevrolet 3500

Is the 2020 Chevrolet 3500 reliable?

Owners have filed 2 complaints about the 2020 Chevrolet 3500, fewer than a typical 3500 model year.

What is the most common problem with the 2020 Chevrolet 3500?

Electrical system, with 1 complaint. Next is transmission (1).

How many recalls does the 2020 Chevrolet 3500 have?

No recalls on record.

Share your experience with the 2020 Chevrolet 3500

Tell other buyers what went wrong and what it cost. We review every report before it appears, and we never publish names, emails or VINs.

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