Jeep Wrangler 2018–2022 — technical service bulletin
Bulletin S2208000025 · NHTSA communication 10222946 · issued Jan 1, 2022
Technical service bulletin
communication type
Equipment
component
2018–2022
model years
5
vehicle entries
Official summary
ABS Lamp On, U0121 Lost Communication With ABS Module, Stop Start Inoperative U0037-00 LIN BUS
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.