Available Top Speed Changes – 2019-2020 Chevrolet Silverado 4500HD/5500HD/6500HD
NHTSA ID Number:Â 10178273 Manufacturer Communication Number:Â 20NA116 Summary This informational bulletin provides information on Available Top Speed Changes and how to reach them. 6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET 4500HD 2019-2020 CHEVROLET 5500HD 2019-2020 CHEVROLET SILVERADO 4500HD 2019-2020 SEOCONTENT-START Service Bulletin Bulletin No.: 20-NA-116 Date: June, 2020 INFORMATION Subject: Available … Read more