RAM 2500 2025 — technical service bulletin
Bulletin 9100625 · NHTSA communication 11020768 · issued Jul 10, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2025
model years
2
vehicle entries
Official summary
For any issues associated with the DEF Level Sensor, need to analyze the DEF Tank. The Level Sensor is no longer part of the DEF Pump. The Level Sensor is molded onto the DEF Tank and cannot be serviced separately. Do not replace the DEF Pump for the Level Sensor issue(s).
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.