# P0303 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.

## Bulletins for this model year that name P0303

- [10217616](https://open.wenmarpro.com/bulletins/10217616), 2022-08-08: 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.
- [10140126](https://open.wenmarpro.com/bulletins/10140126), 2018-06-11: 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.
- [10080065](https://open.wenmarpro.com/bulletins/10080065), 2016-09-14: "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."