RAM 2500 2025–2026 — technical service bulletin
Bulletin S2508000081 · NHTSA communication 11023175 · issued Sep 13, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2025–2026
model years
8
vehicle entries
Official summary
Water in Fuel (WIF) Warning Lamp on After Draining Fuel Filter Module
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.