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July 23, 2024 Service bulletin

This informational bulletin explains the difference in AFM and DFM engines and what is and is not...

Chevrolet technical service bulletin 20-NA-038 for 2014-2024 Chevrolet Silverado 1500, 2015-2024 Chevrolet Tahoe and 2022 Chevrolet Equinox and others.

Bulletin number
20-NA-038
Component
Fuel/propulsion system
Summary
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

Owners of these vehicles have filed 1,595 complaints in the fuel system category.

Vehicles covered

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