{"nhtsa_id":11023579,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-10-02","date":"2025-09-27","document_id":"08-177-25 REV.A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"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","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023579-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023579-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023579","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0B24","P0BBD"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER 4XE","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_jeep_wrangler"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}