Chevrolet Silverado 2500 2024–2025 — technical service bulletin
Bulletin 24-NA-258 · NHTSA communication 11013085 · issued Jan 8, 2025
Technical service bulletin
communication type
Engine
component
2024–2025
model years
8
vehicle entries
Official summary
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTC P24D6 or P0F37.
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.