RAM 1500 2025–2026 — technical service bulletin
Bulletin S2418000012 REV.B · NHTSA communication 11034920 · issued Jun 30, 2026
Technical service bulletin
communication type
Engine
component
2025–2026
model years
2
vehicle entries
Official summary
Mil On/Check Engine Lamp (CEL) On, Engine Runs Rough
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.