Chevrolet Silverado 2500 2024–2025 — technical service bulletin
Bulletin 24-NA-179 · NHTSA communication 11008944 · issued Sep 4, 2024
Technical service bulletin
communication type
Power Train
component
2024–2025
model years
5
vehicle entries
Official summary
"This bulletin advises the tech of a normal condition of how the torque converter performance has changed to increase transmission life for customers that may comment about while cruising at a steady speed with light throttle, they feel a shudder, surge or chuggle type concern."
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.