Chevrolet Silverado 2500 2024 — technical service bulletin
Bulletin PIP5955 · NHTSA communication 10247373 · issued Nov 29, 2023
Technical service bulletin
communication type
Equipment
component
2024
model years
2
vehicle entries
Official summary
This Preliminary information communicates to the dealer technician a possible calibration update for DTC P0402 as well as symptoms associated with it.
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.