Jeep Wrangler 2021–2023 — technical service bulletin
Bulletin 08-162-24 · NHTSA communication 11004888 · issued Jul 11, 2024
Technical service bulletin
communication type
Power Train
component
2021–2023
model years
3
vehicle entries
Official summary
"Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C140E-00 - Transfer Case Motor Blocked. This bulletin involves reprogramming the DTCM with the latest available software and possibly replacing the transfer case motor actuator."
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.