P0304 on the 2015 Chrysler Town and Country
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.
| 18-069-16 | 2022-08-08. Service bulletin. PCM Replacement, MIL Illumination / DTCs P0300, P030X or P23XX This bulletin involves replacing the Powertrain Control Module (PCM) and re-flashing with the latest available software. The customer may describe an engine misfire, and runs rough. In addition customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · 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. · P2302 - Ignition Coil 1 Secondary Circuit - Insufficient Ionization. · P2305 - Ignition Coil 2 Secondary Circuit - Insufficient Ionization. · P2308 - Ignition Coil 3 Secondary Circuit - Insufficient Ionization. · P2311 - Ignition Coil 4 Secondary Circuit - Insufficient Ionization. · P2314 - Ignition Coil 5 Secondary Circuit - Insufficient Ionization. · P2317 - Ignition Coil 6 Secondary Circuit - Insufficient Ionization. |
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| 18-069-16 | 2018-06-11. Service bulletin. PCM Replacement, MIL Illumination / DTCs P0300, P030X or P23XX This bulletin involves replacing the Powertrain Control Module (PCM) and re-flashing with the latest available software. The customer may describe an engine misfire, and runs rough. In addition customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · 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. · P2302 - Ignition Coil 1 Secondary Circuit - Insufficient Ionization. · P2305 - Ignition Coil 2 Secondary Circuit - Insufficient Ionization. · P2308 - Ignition Coil 3 Secondary Circuit - Insufficient Ionization. · P2311 - Ignition Coil 4 Secondary Circuit - Insufficient Ionization. · P2314 - Ignition Coil 5 Secondary Circuit - Insufficient Ionization. · P2317 - Ignition Coil 6 Secondary Circuit - Insufficient Ionization. |
| 18-069-16 | 2016-09-14. Service bulletin. "PCM REPLACEMENT, MIL ILLUMINATION / DTCS P0300, P030X OR P23XX THIS BULLETIN INVOLVES REPLACING THE POWERTRAIN CONTROL MODULE (PCM) AND RE-FLASHING WITH THE LATEST AVAILABLE SOFTWARE. THE CUSTOMER MAY DESCRIBE AN ENGINE MISFIRE, AND RUNS ROUGH. IN ADDITION CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION A TECHNICIAN MAY FIND ONE OR MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS) SET IN THE PCM MEMORY: · 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. · P2302 - IGNITION COIL 1 SECONDARY CIRCUIT - INSUFFICIENT IONIZATION. · P2305 - IGNITION COIL 2 SECONDARY CIRCUIT - INSUFFICIENT IONIZATION. · P2308 - IGNITION COIL 3 SECONDARY CIRCUIT - INSUFFICIENT IONIZATION. · P2311 - IGNITION COIL 4 SECONDARY CIRCUIT - INSUFFICIENT IONIZATION. · P2314 - IGNITION COIL 5 SECONDARY CIRCUIT - INSUFFICIENT IONIZATION. · P2317 - IGNITION COIL 6 SECONDARY CIRCUIT - INSUFFICIENT IONIZATION." |
3 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.