Jeep Wrangler 4XE 2024 — technical service bulletin
Bulletin 08-177-25 · NHTSA communication 11018696 · issued May 24, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2024
model years
1
vehicle entries
Official summary
"Flash: Power Inverter Module (PIM) Flash Updates Customers may experience one or more of the following: ● Electric Vehicle (EV) system shuts down while transferring over to Internal Combustion Engine (ICE) motive power. Engine Stop Start (ESS) function will also not operate as a result of this condition. ● ""Service Hybrid System"" message displays on the Instrument Panel Cluster (IPC). ● Wrench icon displays on the IPC. This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) also known as PIM, with the latest available software."
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.