Jeep Wrangler 2021 — technical service bulletin
Bulletin S2108000097 · NHTSA communication 10221149 · issued Apr 15, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021
model years
1
vehicle entries
Official summary
CEL (Check Engine Lamp) Lamp On, Vehicle Starts Has Reduced Power Or Limited Forward Movement Limp In When Placed In Gear
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.