Chevrolet Silverado 1500 2022–2023 — technical service bulletin
Bulletin 23-NA-045 · NHTSA communication 10235624 · issued Apr 11, 2023
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
4
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of Engine RPO L3B P0299 Service Calibration.
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.