Chevrolet Silverado 1500 2023 — technical service bulletin
Bulletin N232403190 · NHTSA communication 10242557 · issued Sep 20, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
2
vehicle entries
Official summary
Service Update. Certain vehicles may have a condition where the customer experiences intermittent MILs and warnings, engine no starts / no restart from auto-stop, or irregular cooling fan operation. Dealers are to inspect, and if necessary, rethread the bolt hole and reinstall ground.
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.