Chevrolet Silverado 2500 2024 — technical service bulletin
Bulletin 23-NA-213 · NHTSA communication 10247193 · issued Dec 8, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2024
model years
4
vehicle entries
Official summary
This service bulletin provides a repair procedure to correct customer concerns of Rough Idle, Surge/Bucking with Light Throttle and Higher Loads, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0402 and/or P22FB 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.