Check a VIN

August 30, 2023 Service bulletin

This informational bulletin provides information for dealers/technicians on Engine Control Module...

Chevrolet technical service bulletin 20-NA-100 for 2019-2020 Chevrolet Silverado 1500 and 2019-2020 GMC Sierra 1500.

Bulletin number
20-NA-100
Component
Electrical system
Summary
This informational bulletin provides information for dealers/technicians on Engine Control Module Calibration for T1 L3B Engine with DTC P26BB Set.

Owners of these vehicles have filed 486 complaints in the electrical category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Chevrolet Silverado 1500?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history