RAM Promaster 2021 — technical service bulletin
Bulletin S2108000055 · NHTSA communication 10220862 · issued Mar 6, 2021
Technical service bulletin
communication type
Vehicle Speed Control
component
2021
model years
1
vehicle entries
Official summary
Dash Lights Flicker, Wipers And Door Locks Cycle On/Off While Driving, Cluster EVIC And Radio Inoperative
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.