RAM 2500 2016–2017 — technical service bulletin
Bulletin 9003802 · NHTSA communication 10224893 · issued Oct 18, 2017
Technical service bulletin
communication type
Power Train
component
2016–2017
model years
4
vehicle entries
Official summary
SCR Converter - Ammonia Trap If a customer comes in with a check engine light for P20EE and has led to replacing the SCR, please contact Dean Armstrong at (248)-944-5364. Cummins and FCA engineering is currently investigating the root cause to this condition. If you do not receive an answer or call back within 15 minutes, proceed with normal diagnostics
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.