Chevrolet Silverado 1500 2024 — technical service bulletin
Bulletin 662.10 · NHTSA communication 11035455 · issued Jul 10, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2024
model years
2
vehicle entries
Official summary
• Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.
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.