RAM 1500 2020–2021 — technical service bulletin
Bulletin S2118000002 · NHTSA communication 10220899 · issued Mar 20, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2021
model years
2
vehicle entries
Official summary
Customer complaint may include a Mil-on condition that may be accompanied by a ?misfire? feel or rough-running engine condition. Upon further investigation, any of the following DTCs may be found in the PCM:
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.