JEEP

08-177-25 REV.A

2025-09-27 · NHTSA 11023579

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Flash: Power Inverter Module (PIM) Flash Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0BBD-00 - Hybrid Battery Pack Voltage Variation Exceeded Limit. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable.** Customers may experience one or more of the following: ● **Reduced fuel efficiency. ● Rough idling or Engine misfires. ● Inconsistent or erratic performance.** ● 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

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.