This informational bulletin provides information for dealers/technicians on Available ECM Calibration to...
Chevrolet technical service bulletin 21-NA-115 for 2021 Chevrolet Express, 2021 GMC Savana and 2020-2021 Chevrolet 3500 and others.
- Bulletin number
- 21-NA-115
- Component
- Equipment
- Summary
- This informational bulletin provides information for dealers/technicians on Available ECM Calibration to Activate High Idle Mode for Fleet Vehicles.
Vehicles covered
- Chevrolet Express 2021 2021
- GMC Savana 2021 2021
- Chevrolet 3500 2020-2021 20202021
- Chevrolet 4500 2020 2020
- Chevrolet 4500HD 2020-2021 20202021
- Chevrolet 4500XD 2020-2021 20202021
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Express?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history