Chevrolet Silverado 1500 2023 — technical service bulletin
Bulletin 23-NA-193 · NHTSA communication 10245255 · issued Oct 30, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023
model years
2
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of Vehicles Setting DTCs P20EE, P22FE, P2C7A, P2EAD, P20FE, P2203, P22FB, P2459, P049D, P0300, and/or P1C30.
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.