RAM 2500 2025 — technical service bulletin
Bulletin S2509000007 · NHTSA communication 11021038 · issued Jul 17, 2025
Technical service bulletin
communication type
Engine
component
2025
model years
4
vehicle entries
Official summary
6.7L Cummins Comprehensive List Of Elevated Idle Speed Modes
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.