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December 23, 2025 Service bulletin

Flash: Dual Power Invertor Module (DPIM) Updates Customers must experience a Malfunction Indicator Lamp...

Dodge technical service bulletin 08-399-25 REV. A for 2024 Dodge Hornet.

Bulletin number
08-399-25 REV. A
Component
Electrical system
Summary
Flash: Dual Power Invertor Module (DPIM) 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): ● P2601-00 - Electric Coolant Pump Control Circuit Performance Stuck Off. ● U0623-00 - Lost Communication With Coolant Pump "A". ● P1DBA - Battery Cooling System Failure (Module, Hybrid Control Processor (HCP)). Customers may experience the following: ● The vehicle is not performing a scheduled cabin preconditioning. 'Cabin Preconditioning Unavailable' message present when the scheduled cabin condition is not performed as planned This bulletin involves inspecting and possibly reprogramming the DPIM with the latest available software.

Owners of these vehicles have filed 12 complaints in the electrical category.

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