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Service bulletins for the 2024 Dodge HORNET

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.

143 on file from NHTSA, as of 2026-10-19.

About P2601 on the 2024 Dodge HORNET: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

By topic

Only bulletins with trouble code: P2601 are shown. Show all

Bulletins, newest first
08-241-262026-07-02. Service bulletin. ELECTRICAL SYSTEM. Flash: Auxiliary Hybrid Control Processor Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: 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 in the Instrument Panel Cluster (IPC) when the scheduled cabin condition is not performed as planned. *This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) and Hybrid Control Processor (HCP) with the latest available software.*
08-399-25 REV. A2026-01-07. Service bulletin. ELECTRICAL SYSTEM. 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.**
08-399-252025-12-17. Service bulletin. ELECTRICAL SYSTEM. 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 scheduled cabin condition is not performed as planned.** This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) and Hybrid Control Processor (HCP) also known as PIM, with the latest available software
18-038-24 REV. B2024-12-18. Service bulletin. POWER TRAIN. "Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Codes (DTCs): ● **P2601-00 - Electric Coolant Pump Control Circuit Performance Stuck Off.** ● P219A - Bank 1 Air-Fuel Ratio Imbalance. This bulletin also includes software diagnostic enhancements. This bulletin involves reprogramming the PCM with the latest available software"
08-044-24 REV. C2024-12-18. Service bulletin. ELECTRICAL SYSTEM. "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)). This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) and Hybrid Control Processor (HCP) also known as PIM, with the latest available software"
08-044-24 REV. B2024-11-18. Service bulletin. ELECTRICAL SYSTEM. "Flash: Power Inverter Module (PIM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle mustexhibit/set one or more of the following Diagnostic Trouble Codes (DTC)s: ● **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)). This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM), with the latest available software."

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.