# Service bulletin 18\-097\-25

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.

- Type: Service bulletin
- NHTSA id: 11025633
- Published by NHTSA: 2025\-11\-19
- Manufacturer's number: 18\-097\-25
- Manufacturer's date: 2025\-11\-15
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

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 Code \(DTC\): ● P2450 \- Fuel Tank Isolation Valve "A" Circuit Open. Customers may experience the following: Fuel door will not open This bulletin involves reprogramming the PCM with the latest available software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025633-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025633-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Trouble codes named

P2450

## Vehicles listed

- 2025 DODGE HORNET

## Other bulletins for the same vehicles and component

- [08\-251\-26 REV. A](/bulletins/11037583.md), 2026-09-30, Service bulletin: ELECTRICAL SYSTEM. Flash: Body Control Module \(BCM\) Updates Customers may experience the following: SYMPTOM: ● The battery is depleted, vehicle will not start. NOTE: The depleted battery is due to a high Ignition Off Draw \(IOD\) current. This bulletin involves reprogramming the BCM with the latest available software.
- [08\-252\-26](/bulletins/11034365.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM; SEATS. Heated Seats and Heated Wheel Turn Off Or Become Disabled Customers may comment on the following: ● Customer may comment that their Heated Seats and Heated Steering Wheel will turn off or become disabled \(button grayed out on display screen\) while driving the vehicle.
- [08\-251\-26](/bulletins/11034364.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Body Control Module \(BCM\) Missing Generic Flash Support Technicians may experience the following: ● After replacing the BCM, a flash file does not appear / display in wiTECH
- [08\-200\-26](/bulletins/11032828.md), 2026-05-20, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) Content Missing Or Screen Blank Customers may experience the following: ● IPC content missing, display abnormal or screen blank
- [08\-200\-26](/bulletins/11032651.md), 2026-05-13, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) Content Missing Or Screen Blank Customers may experience the following: ● IPC content missing, display abnormal or screen blank
- [08\-148\-26](/bulletins/11031428.md), 2026-04-22, Service bulletin: ELECTRICAL SYSTEM. The following software enhancement is available: ● This software update enables the feature Active Cabin Ventilation \(ACV\). This bulletin provides information regarding the latest Firmware Over The Air \(FOTA\) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The TBM software will be updated from 5.49.0, 5.53.0 or 5.43 to 5.53 software level. NOTE: National launch for this FOTA update is expected to begin: April 14, 2025.
- [S228A000025 REV.A](/bulletins/11029705.md), 2026-03-05, Service bulletin: ELECTRICAL SYSTEM. Harman R1H Uconnect 5 Radio Software Flash Error Codes
- [08\-042\-26](/bulletins/11028758.md), 2026-02-12, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Flash: Auxiliary Hybrid Control Processor Customers may experience the following: SYMPTOM: ● \*\*The vehicle is not performing a scheduled cabin preconditioning. 'Cabin Preconditioning Unavailable' message present in the Instrment Panel Cluster \(IPC\) when the scheduled cabin condition is not performed as planned.\*\* , Labor Description, Repair Procedure steps
- [08\-401\-25](/bulletins/11026680.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. Flash: Power Inverter Module \(PIM\) Updates 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.
- [08\-394\-25 REV. A](/bulletins/11026677.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. Telematics Box Module \(TBM\) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B1E21\-96 \- Backup Battery Component Internal Failure.

JSON: [/v1/bulletins/11025633](/v1/bulletins/11025633)

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