# P0301 on the 2023 Dodge Challenger

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0301

- [11033947](https://open.wenmarpro.com/bulletins/11033947), 2026-06-18: Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ● P0300 \- Multiple Cylinder Misfire. ● P0301 \- Cylinder 1 Misfire. ● P0302 \- Cylinder 2 Misfire. ● P0303 \- Cylinder 3 Misfire. ● P0304 \- Cylinder 4 Misfire. ● P0305 \- Cylinder 5 Misfire. ● P0306 \- Cylinder 6 Misfire. ● P0307 \- Cylinder 7 Misfire. ● P0308 \- Cylinder 8 Misfire. ● P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ● P0430 \- Catalyst System Efficiency Below Threshold Bank 2. Customers may comment on or experience the following: ● A rough idle condition.
- [11029760](https://open.wenmarpro.com/bulletins/11029760), 2026-03-05: Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation SYMPTOM: the technician must find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ● P0300 \- Multiple Cylinder Misfire. ● P0301 \- Cylinder 1 Misfire. ● P0302 \- Cylinder 2 Misfire. ● P0303 \- Cylinder 3 Misfire. ● P0304 \- Cylinder 4 Misfire. ● P0305 \- Cylinder 5 Misfire. ● P0306 \- Cylinder 6 Misfire. ● P0307 \- Cylinder 7 Misfire. ● P0308 \- Cylinder 8 Misfire. ● P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ● P0430 \- Catalyst System Efficiency Below Threshold Bank 2. Customers may comment on or experience the following: ● A rough idle condition. This bulletin involves reprogramming the PCM with the latest available software.
- [11005019](https://open.wenmarpro.com/bulletins/11005019), 2024-07-23: Spark Plug Re\-Gap to Resolve Misfire Symptoms Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0300 \- Multiple Cylinder Misfire. ● P0301 \- Cylinder 1 Misfire. ● P0302 \- Cylinder 2 Misfire. ● P0303 \- Cylinder 3 Misfire. ● P0304 \- Cylinder 4 Misfire. ● P0305 \- Cylinder 5 Misfire. ● P0306 \- Cylinder 6 Misfire. ● P0307 \- Cylinder 7 Misfire. ● P0308 \- Cylinder 8 Misfire. ● P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ● P0430 \- Catalyst System Efficiency Below Threshold Bank 2. The customer may also comment on one or more of the following: ● Excessive vibration. ● Engine runs rough. ● Lack, or loss of power. ● Engine misfire.