Chevrolet Silverado 2500 2024–2025 — technical service bulletin
Bulletin 24-NA-162 · NHTSA communication 11008942 · issued Sep 6, 2024
Technical service bulletin
communication type
Engine
component
2024–2025
model years
5
vehicle entries
Official summary
This bulletin provides a procedure to replace the Evaporative Emission Canister Hose if found the cause of the MIL w/DTCs P24D6 and/or P0F37 Setting.
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.