Chevrolet Silverado 2500 2024–2025 — technical service bulletin
Bulletin 24-NA-258 · NHTSA communication 11011879 · issued Nov 16, 2024
Technical service bulletin
communication type
Electrical System
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.