Jeep Wrangler 2018–2023 — technical service bulletin
Bulletin 9100010 · NHTSA communication 10236800 · issued Apr 6, 2023
Technical service bulletin
communication type
Power Train
component
2018–2023
model years
6
vehicle entries
Official summary
Axle Assembly Do not replace the Axle for Axle Locker Sensor failure. The parts kit (SENSOR KIT, Axle: 68544629A$) must be used to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE).
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.