# P0300 on the 2024 Jeep Wagoneer

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 P0300

- [11030254](https://open.wenmarpro.com/bulletins/11030254), 2026-03-25: Flash: Powertrain Control Module \(PCM\) Updates 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 \(DTCs\): ● \*\*P0111\-00 \- Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P0072\-00 \- Ambient Air Temperature Sensor Circuit "A" Low. \(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0011\-00 \- Bank 1 Camshaft 1 Position Timing Over Advanced Or. \(In Active or Stored status\) ● P25E4\-00 \- B Camshaft Position \- Unable To Achieve Locked Position Bank 1. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P0116\-00 \- Engine Coolant Temperature Sensor 1 Performance. \(In Active or Stored status\) ● P062B\-00 \- Internal Control Module Fuel Injector Control Performance. \(In Active or Stored status\) ● P0604\-00 \- Internal Control Module Random Access Memory Ram Error. \(In Active or Stored status\) ● P060C\-00 \- Internal Control Module Main Processor Performance. \(In Active or Stored status\)\*\* ● P018B\-00 \- Fuel Pressure Sensor "B" Circuit Range/performance. \*\*\(In Active or Stored status\)\*\* ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \*\*\(In Active or Stored status\)\*\* ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off. \*\*\(In Active or Stored status\)\*\* ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \*\*\(In Active or Stored status\)\*\* ● P0300\-00 \- Multiple Cylinder Misfire. \*\*\(In Active or Stored status\)\*\* Customers may also experience one or more of the following: ● \*\*Oil Level High Warning in the Instrument Panel Cluster \(IPC\).\*\* ● Fully Autonomous Parking Assist \(FAPA\) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi
- [11030229](https://open.wenmarpro.com/bulletins/11030229), 2026-03-25: Flash: Powertrain Control Module \(PCM\) Updates 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 \(DTCs\): ● \*\*P0111\-00 \- Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P0072\-00 \- Ambient Air Temperature Sensor Circuit "A" Low. \(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0011\-00 \- Bank 1 Camshaft 1 Position Timing Over Advanced Or. \(In Active or Stored status\) ● P25E4\-00 \- B Camshaft Position \- Unable To Achieve Locked Position Bank 1. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P0116\-00 \- Engine Coolant Temperature Sensor 1 Performance. \(In Active or Stored status\) ● P062B\-00 \- Internal Control Module Fuel Injector Control Performance. \(In Active or Stored status\) ● P0604\-00 \- Internal Control Module Random Access Memory Ram Error. \(In Active or Stored status\) ● P060C\-00 \- Internal Control Module Main Processor Performance. \(In Active or Stored status\)\*\* ● P018B\-00 \- Fuel Pressure Sensor "B" Circuit Range/performance. \*\*\(In Active or Stored status\)\*\* ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \*\*\(In Active or Stored status\)\*\* ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off. \*\*\(In Active or Stored status\)\*\* ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \*\*\(In Active or Stored status\)\*\* ● P0300\-00 \- Multiple Cylinder Misfire. \*\*\(In Active or Stored status\)\*\* Customers may also experience one or more of the following: ● \*\*Oil Level High Warning in the Instrument Panel Cluster \(IPC\).\*\* ● Fully Autonomous Parking Assist \(FAPA\) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi
- [11015518](https://open.wenmarpro.com/bulletins/11015518), 2025-03-11: "Flash: Ignition System Control Module \(ISCM\) 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 \(DTCs\): ● P2C30\-00 \- Ignition Coil Primary Circuit Fuse A. ● P2C31\-00 \- Ignition Coil Primary Circuit Fuse B. ● P0300\-00 \- Multiple Cylinder Misfire. ● P0301\-00 \- Cylinder 1 Misfire Detected. ● P0302\-00 \- Cylinder 2 Misfire Detected. ● P0303\-00 \- Cylinder 3 Misfire Detected. ● P0304\-00 \- Cylinder 4 Misfire Detected. ● P0305\-00 \- Cylinder 5 Misfire Detected. ● P0306\-00 \- Cylinder 6 Misfire Detected. ● P0420\-00 \- Catalyst System Efficiency Below Threshold Bank 1. ● P0430\-00 \- Catalyst System Efficiency Below Threshold Bank 2. Customers may also comment on the following: ● Engine hesitates/misfires \*This bulletin involves reprogramming the ISCM with the latest available software.\*\*"
- [11014719](https://open.wenmarpro.com/bulletins/11014719), 2025-03-04: "Flash: Ignition System Control Module \(ISCM\) 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 \(DTCs\): ● P2C30\-00 \- Ignition Coil Primary Circuit Fuse A. ● P2C31\-00 \- Ignition Coil Primary Circuit Fuse B. ● P0300\-00 \- Multiple Cylinder Misfire. ● P0301\-00 \- Cylinder 1 Misfire Detected. ● P0302\-00 \- Cylinder 2 Misfire Detected. ● P0303\-00 \- Cylinder 3 Misfire Detected. ● P0304\-00 \- Cylinder 4 Misfire Detected. ● P0305\-00 \- Cylinder 5 Misfire Detected. ● P0306\-00 \- Cylinder 6 Misfire Detected. ● P0420\-00 \- Catalyst System Efficiency Below Threshold Bank 1. ● P0430\-00 \- Catalyst System Efficiency Below Threshold Bank 2. Customers may also comment on the following: ● Engine hesitates/misfires. This bulletin involves updating the ISCM with the latest available software This bulletin involves inspecting and possibly reprogramming the ISCM and the Powertrain Control Module \(PCM\) with the latest available software"
- [11011903](https://open.wenmarpro.com/bulletins/11011903), 2024-12-18: "Flash: Powertrain Control Module \(PCM\) 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 \(DTCs\): ● \*\*P0325 \- Knock/Combustion Vibration Sensor ""A"" Circuit. ● P0330 \- Knock/Combustion Vibration Sensor ""B"" Circuit. ● P0300 \- Multiple Cylinder Misfire. \(NA Market Only\) ● P032A \- Knock/Combustion Vibration Sensor ""C"" Circuit. ● P018B \- Fuel Pressure Sensor ""B"" Circuit Rang/Performance. ● P1CEA \- Boost Side EVAP Purge System Performance. \(NA Market Only\)\*\* ● P00F3 \- Humidity Sensor Circuit Range/Performance. ● P06DD \- Engine Oil Pressure Control Circuit Performance/Stuck Off. ● P00C6 \- Fuel Rail Pressure Too Low \- Engine Cranking. Customers may also comment on one or more of the following: ● \*\*Low oil pressure Instrument Cluster Panel \(IPC\) warning during heavy towing. ● Engine RPM dip below idle speed during coast down to idle.\*\* ● Undesirable vehicle drivability behavior causing a vehicle Shift to Park event during Engine Stop Start \(ESS\) while Adaptive Cruise Control \(ACC\) is active. ● Idle speed oscillations observed when in Snow and Mud modes for vehicle configured with 4x2 drivetrain. ● Screen two incorrectly pops up on the IPC for five seconds during Terrain and Rock mode. ● Fully Autonomous Parking Assist \(FAPA\) is not deactivated when the accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezing temperatures. \*\*The following software calibration improvements are also available: ● Engine mega knock detection. ● Misfire during cold start. ● Avoid false failures with MIL on. \(NA Market Only\)\*\* This bulletin involves reprogramming the PCM with the latest available software."
- [11001825](https://open.wenmarpro.com/bulletins/11001825), 2024-06-18: "Flash: Powertrain Control Module \(PCM\) 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 \(DTCs\): ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. ● P0300\-00 \- Multiple Cylinder Misfire. Customers may also comment on one or more of the following: ● Fully Autonomous Parking Assist \(FAPA\) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezing temperatures. This bulletin involves reprogramming the PCM with the latest available software."
- [11001822](https://open.wenmarpro.com/bulletins/11001822), 2024-06-18: "Flash: Powertrain Control Module \(PCM\) 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 \(DTCs\): ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. ● P0300\-00 \- Multiple Cylinder Misfire. Customers may also comment on one or more of the following: ● Fully Autonomous Parking Assist \(FAPA\) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezing temperatures. This bulletin involves reprogramming the PCM with the latest available software."
