RAM 2500 2019 — technical service bulletin
Bulletin S1923000047RevA · NHTSA communication 10223919 · issued Oct 14, 2020
Technical service bulletin
communication type
Exterior Lighting
component
2019
model years
4
vehicle entries
Official summary
P1D73 AGS (Active Grille Shutter Performance), Malfunction Indicator Lamp (MIL) Illuminated
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.