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.
| 1805516 | 2022-12-19. Service bulletin. 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. |
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| 18-070-15 | 2022-08-08. Service bulletin. 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 |
| 18-070-15 | 2022-07-25. Service bulletin. 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 |
| 18-055-16 | 2020-10-26. Service bulletin. 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. |
| 18-070-15 | 2018-12-17. Service bulletin. 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 |
| 18-055-16 | 2018-06-18. Service bulletin. 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. |
6 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.