Chevrolet Silverado 1500 2019–2023 — technical service bulletin
Bulletin 23-NA-002 · NHTSA communication 11004996 · issued Jul 10, 2024
Technical service bulletin
communication type
Electrical System
component
2019–2023
model years
10
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing, Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P0300 DTCs Set.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.