2020 Chevrolet Silverado 1500 Problems: 20 Issues Every Owner Should Know
2020 model year · 7,023+ owner reports · Updated July 2026
According to Au7o's analysis of 7,023+ owner reports, the 2020 Chevrolet Silverado 1500 has 20 documented known issues, with 5 rated critical. The most serious are Brake Booster/Assist Malfunction (T1) ($500-$1,800 repair), Fuel Pump Module Failure ($400-$1,000 repair), Sudden Loss of Electric Power Steering Assist / EPS Rack Failure (NHTSA Investigation) ($0-$2,300 repair), 2.7L TurboMax (L3B) lifter failure, intake-valve carbon buildup, and high oil consumption ($1,500-$6,000 repair) and 3.0L Duramax 'Service Emission System' Limp-Mode From DEF/NOx Sensor Faults ($200-$1,500 repair). The most commonly reported issue is 8/10-Speed Transmission Shudder with 3,200 owner reports. Across all issues with published estimates, repair costs range from $100 to $6,000. DIY maintenance guides at au7o.io.