Jeep Wrangler 4XE 2024 — technical service bulletin
Bulletin 08-004-25 REV. A · NHTSA communication 11021822 · issued Aug 7, 2025
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
Flash: Integrated Dual Charging Module (IDCM) Updates *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B23AF-73 - OBCM Fault - Actuator Stuck Closed.** Customers may**also** experience one or more of the following: ● **Red charging light blinks on the Instrument Panel Cluster (IPC).** ● Vehicle will not start and needs to be jump started as 12v battery drained. ● Vehicle will not charge This bulletin involves reprogramming the IDCM with the latest software available.
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.