RAM Promaster 2014–2016 — technical service bulletin
Bulletin S2418000011 · NHTSA communication 11008146 · issued Sep 28, 2024
Technical service bulletin
communication type
Power Train
component
2014–2016
model years
3
vehicle entries
Official summary
Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) U37B8-No Description Available, And P20EE-SCR NOx Catalyst Efficiency Below Threshold, Set.
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.