Dodge Hornet 2024 — technical service bulletin
Bulletin 08-399-25 · NHTSA communication 11026678 · issued Dec 12, 2025
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
Flash: Power Inverter Module (PIM) 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 schedu
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.