{"vehicle":{"id":"2015_jeep_cherokee","year":2015,"make":"Jeep","model":"Cherokee"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":12,"bulletins":[{"nhtsa_id":10236933,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-05-30","date":"2023-04-15","document_id":"1804823","mfr_campaign":null,"component":"EQUIPMENT; ENGINE AND ENGINE COOLING","summary":"wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236933-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236933-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10236933"},{"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":10224623,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-24","date":"2016-04-02","document_id":"18-035-16","mfr_campaign":null,"component":"BACK OVER PREVENTION; ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING","summary":"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, the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P1D83 - Implausible Engine Oil Temperature Signal Received.** · P0456 - EVAP System Small Leak. · P0335 - Crankshaft Position Sensor Circuit. · U0402 - Implausible Data Received From TCM - (Transmission Control Module).** · B10EA - Blower Motor Control Circuit High. · B10E9 - Blower Motor Control Circuit Low. · P0441 - EVAP Purge System Performance. · P0116 - Engine Coolant Temperature Sensor Performance. · P2067 - Fuel Level Sensor 2 Circuit Low (International Only). In addition the customer may notice one of the following conditions: · **A push sensation when the transmission is downshifting from eighth to seventh gear.** · Vehicle shudder at stop/start with A/C on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10224623-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10224623-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10224623"},{"nhtsa_id":10220071,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-15","date":"2019-11-01","document_id":"1808919","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10220071-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10220071-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220071"},{"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":10169219,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-16","date":"2019-11-01","document_id":"18-089-19","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE","summary":"wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169219-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169219-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10169219"},{"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":10160042,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-12-15","document_id":"18-007-15 REV C","mfr_campaign":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","summary":"Flash: 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, the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: ? B10EA - Blower Motor Control Circuit High. ? B10E9 - Blower Motor Control Circuit Low. ? P0456 - EVAP System Small Leak. ? P0441 - EVAP Purge System Performance. ? P0116 - Engine Coolant Temperature Sensor Performance. ? U0402 - Implausible Data Received From TCM. ? P2067 - Fuel Level Sensor 2 Circuit Low (International Only). In addition the customer may notice the following condition: ? Vehicle shudder at stop/start with A/C on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160042-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160042-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160042"},{"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"},{"nhtsa_id":10140167,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2016-04-02","document_id":"18-035-16","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM","summary":"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, the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P1D83 - Implausible Engine Oil Temperature Signal Received.** · P0456 - EVAP System Small Leak. · P0335 - Crankshaft Position Sensor Circuit. · U0402 - Implausible Data Received From TCM - (Transmission Control Module).** · B10EA - Blower Motor Control Circuit High. · B10E9 - Blower Motor Control Circuit Low. · P0441 - EVAP Purge System Performance. · P0116 - Engine Coolant Temperature Sensor Performance. · P2067 - Fuel Level Sensor 2 Circuit Low (International Only). In addition the customer may notice one of the following conditions: · **A push sensation when the transmission is downshifting from eighth to seventh gear.** · Vehicle shudder at stop/start with A/C on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140167-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140167-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140167"}],"url":"https://open.wenmarpro.com/makes/jeep/cherokee/2015/bulletins?code=P0456"},"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/P0456","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."]}