May 12, 2026 Service bulletin

Flash: Drive Motor Power Inverter (DMPI) Updates

Jeep technical service bulletin 08-185-26 for 2026 Jeep Cherokee.

Bulletin number: 08-185-26
Component: Electrical system
Summary: Flash: Drive Motor Power Inverter (DMPI) Updates - PCR8A3 Customers may experience the following: ● The vehicle will not start and cannot be keyed off. NOTE: The vehicles 12V system remains powered up. ● Engine Stop/Start (ESS) bumps or lack of refinement. The following software enhancements are also available: ● Improved ESS refinement This bulletin involves inspecting and possibly reprogramming the Battery Pack Control Module (BPCM), DMPI, Electric Vehicle Control Unit (EVCU) and Powertrain Control Module (PCM) with the latest available software

Owners of these vehicles have filed 1 complaints in the electrical category.

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