{"vehicle":{"id":"2015_jeep_cherokee","year":2015,"make":"Jeep","model":"Cherokee"},"code":"P0300","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":7,"bulletins":[{"nhtsa_id":10228106,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-19","date":"2016-05-20","document_id":"1800416REVA","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING","summary":"Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: 2015 KL Only · **P0335 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P0300 - Multiple Cylinder Misfire. · P0301 - Cylinder 1 Misfire. · P0302 - Cylinder 2 Misfire. · P0303 - Cylinder 3 Misfire. · P0304 - Cylinder 4 Misfire. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · U0402 - Implausible Data Received From TCM (ED6). · P0116 - Engine Coolant Temperature Sensor 1 Performance. · P050D - Cold Start Rough Idle. · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. · P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. · P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. · P0031 - O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions: · Cold Engine Startup Flare and Idle Surge (ED6). · Intermittent elevated engine RPM at start up. · Less than desired gear engagement in lower ambient temperatures. · Less than desired idle performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228106-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228106-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10228106"},{"nhtsa_id":10181471,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-26","date":"2016-05-20","document_id":"18-004-16 REV. A","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION","summary":"Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: 2015 KL Only · **P0335 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P0300 - Multiple Cylinder Misfire. · P0301 - Cylinder 1 Misfire. · P0302 - Cylinder 2 Misfire. · P0303 - Cylinder 3 Misfire. · P0304 - Cylinder 4 Misfire. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · U0402 - Implausible Data Received From TCM (ED6). · P0116 - Engine Coolant Temperature Sensor 1 Performance. · P050D - Cold Start Rough Idle. · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. · P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. · P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. · P0031 - O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions: · Cold Engine Startup Flare and Idle Surge (ED6). · Intermittent elevated engine RPM at start up. · Less than desired gear engagement in lower ambient temperatures. · Less than desired idle performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10181471-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10181471-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181471"},{"nhtsa_id":10175532,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-26","date":"2020-03-04","document_id":"08-027-20","mfr_campaign":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM","summary":"2.4L Ignition Coil Boot Replacement This bulletin involves replacing all four ignition coil insulating boots. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0300 - Multiple Cylinder Misfire P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. Some customers may also experience the following condition:Rough running engine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175532-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175532-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175532"},{"nhtsa_id":10175119,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-18","date":"2020-03-04","document_id":"08-027-20","mfr_campaign":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM:IGNITION","summary":"2.4L Ignition Coil Boot Replacement This bulletin involves replacing all four ignition coil insulating boots. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find thatone or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0300 - Multiple Cylinder Misfire P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. Some customers may also experience the following condition:Rough running engine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175119-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175119-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175119"},{"nhtsa_id":10174199,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-04-27","date":"2020-03-04","document_id":"08-027-20","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"2.4L Ignition Coil Boot Replacement This bulletin involves replacing all four ignition coil insulating boots. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find thatone or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0300 - Multiple Cylinder Misfire P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. Some customers may also experience the following condition:Rough running engine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174199-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174199-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174199"},{"nhtsa_id":10160077,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-12-24","document_id":"18-005-15 REV F","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","summary":"Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): 2015 KL Only ? P0456 - EVAP System Small Leak. ? P0300 - Multiple Cylinder Misfire. ? P0301 - Cylinder 1 Misfire. ? P0302 - Cylinder 2 Misfire. ? P0303 - Cylinder 3 Misfire. ? P0304 - Cylinder 4 Misfire. ? P2610 - PCM Internal Engine Off Timer Performance. ? P1607 - PCM Internal Shutdown Timer Rationality. ? U0402 - Implausible Data Received From TCM (ED6). ? P0116 - Engine Coolant Temperature Sensor 1 Performance. ? P050D - Cold Start Rough Idle. ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. ? P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. ? P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. ? P0031 - O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions: ? Cold Engine Startup Flare and Idle Surge (ED6). ? Intermittent elevated engine RPM at start up. ? Less than desired gear engagement in lower ambient temperatures. ? Less than desired idle performance. These conditions apply to 2015 model year vehicles only.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160077-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160077-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160077"},{"nhtsa_id":10141271,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2016-05-20","document_id":"18-004-16 REV. A","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT; ENGINE","summary":"Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: 2015 KL Only · **P0335 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P0300 - Multiple Cylinder Misfire. · P0301 - Cylinder 1 Misfire. · P0302 - Cylinder 2 Misfire. · P0303 - Cylinder 3 Misfire. · P0304 - Cylinder 4 Misfire. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · U0402 - Implausible Data Received From TCM (ED6). · P0116 - Engine Coolant Temperature Sensor 1 Performance. · P050D - Cold Start Rough Idle. · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. · P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. · P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. · P0031 - O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions: · Cold Engine Startup Flare and Idle Surge (ED6). · Intermittent elevated engine RPM at start up. · Less than desired gear engagement in lower ambient temperatures. · Less than desired idle performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10141271-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10141271-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10141271"}],"url":"https://open.wenmarpro.com/makes/jeep/cherokee/2015/bulletins?code=P0300"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/jeep/cherokee/2015/codes/P0300","note":"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.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}