Chevrolet Silverado 2500 2024 — technical service bulletin
Bulletin N232433290 · NHTSA communication 10250751 · issued Feb 28, 2024
Technical service bulletin
communication type
Engine and Engine Cooling
component
2024
model years
4
vehicle entries
Official summary
Service Update - certain vehicles may have a condition in which the engine block heater cord may not be fully seated. Dealers are to inspect the engine block heater connector and retention clip and reinstall if necessary.
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.