Jeep Wagoneer S 2024 — technical service bulletin
Bulletin 08-129-25 REV. C · NHTSA communication 11026778 · issued Dec 18, 2025
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
Flash: Integrated Dual Charging Module (IDCM) Updates 11B3 Customers may comment on one or more of the following: ● 12 volt battery lamp on the Instrument Panel Cluster (IPC) illuminated due to depleted 12 volt battery. ● Unable to charge at High Voltage Charging station at Level-1, Level-2 or DC Fast Charge. This bulletin involves reprogramming the IDCM, BPCM, MCP A, MCP B and the EVCU with the latest available software and then, if needed, performing a Wheel End Disconnect Position Learn routine.
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.