Jeep Wrangler 2019–2022 — technical service bulletin
Bulletin S1908000159 · NHTSA communication 10229087 · issued Mar 30, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2022
model years
4
vehicle entries
Official summary
MIL Lamp On, DTC P0330 Knock Sensor 2 Circuit
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.