RAM 2500 2016–2020 — technical service bulletin
Bulletin S1625000007 Rev. · NHTSA communication 10188738 · issued Feb 8, 2021
Technical service bulletin
communication type
Exterior Lighting
component
2016–2020
model years
15
vehicle entries
Official summary
Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P207F ? Reductant Quality Performance 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.