# P0305 on the 2015 Jeep Grand Cherokee

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 P0305

- [10228113](https://open.wenmarpro.com/bulletins/10228113), 2022-12-19: Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory: · \*\* P0456 \- EVAP System Small Leak.\*\* · P0301\- Cylinder 1 Misfire. · P0302\- Cylinder 2 Misfire. · P0303\- Cylinder 3 Misfire. · P0304\- Cylinder 4 Misfire. · P0305\- Cylinder 5 Misfire. · P0306\- Cylinder 6 Misfire · P0300\- Multiple Cylinder Misfire. · P0513\- Invalid SKIM Key.
- [10217390](https://open.wenmarpro.com/bulletins/10217390), 2022-08-08: Flash: PCM Software Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory. ? P0301\- Cylinder 1 Misfire ? P0302\- Cylinder 2 Misfire ? P0303\- Cylinder 3 Misfire ? P0304\- Cylinder 4 Misfire ? P0305\- Cylinder 5 Misfire ? P0306\- Cylinder 6 Misfire ? P0300\- Multiple Cylinder Misfire ? P0513\- Invalid SKIM Key
- [10216152](https://open.wenmarpro.com/bulletins/10216152), 2022-07-25: Flash: PCM Software Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory. ? P0301\- Cylinder 1 Misfire ? P0302\- Cylinder 2 Misfire ? P0303\- Cylinder 3 Misfire ? P0304\- Cylinder 4 Misfire ? P0305\- Cylinder 5 Misfire ? P0306\- Cylinder 6 Misfire ? P0300\- Multiple Cylinder Misfire ? P0513\- Invalid SKIM Key
- [10181478](https://open.wenmarpro.com/bulletins/10181478), 2020-10-26: Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory: · \*\* P0456 \- EVAP System Small Leak.\*\* · P0301\- Cylinder 1 Misfire. · P0302\- Cylinder 2 Misfire. · P0303\- Cylinder 3 Misfire. · P0304\- Cylinder 4 Misfire. · P0305\- Cylinder 5 Misfire. · P0306\- Cylinder 6 Misfire · P0300\- Multiple Cylinder Misfire. · P0513\- Invalid SKIM Key.
- [10151733](https://open.wenmarpro.com/bulletins/10151733), 2018-12-17: Flash: PCM Software Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory. ? P0301\- Cylinder 1 Misfire ? P0302\- Cylinder 2 Misfire ? P0303\- Cylinder 3 Misfire ? P0304\- Cylinder 4 Misfire ? P0305\- Cylinder 5 Misfire ? P0306\- Cylinder 6 Misfire ? P0300\- Multiple Cylinder Misfire ? P0513\- Invalid SKIM Key
- [10141278](https://open.wenmarpro.com/bulletins/10141278), 2018-06-18: Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory: · \*\* P0456 \- EVAP System Small Leak.\*\* · P0301\- Cylinder 1 Misfire. · P0302\- Cylinder 2 Misfire. · P0303\- Cylinder 3 Misfire. · P0304\- Cylinder 4 Misfire. · P0305\- Cylinder 5 Misfire. · P0306\- Cylinder 6 Misfire · P0300\- Multiple Cylinder Misfire. · P0513\- Invalid SKIM Key.