{"vehicle":{"id":"2016_jeep_compass","year":2016,"make":"Jeep","model":"Compass"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":6,"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":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":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":10139967,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2016-04-21","document_id":"18-048-16","mfr_campaign":null,"component":"POWER TRAIN","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: · P0335 - Crankshaft Position Sensor Circuit. · P0456 - Evap System Small Leak.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10139967-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10139967-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139967"},{"nhtsa_id":10121862,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-11-10","document_id":"18-048-16 REV. A","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","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: P0335 - Crankshaft Position Sensor Circuit. P0456 - Evap System Small Leak. P219A - Bank 1 Air Fuel Ratio Imbalance. P050B - Cold Start Ignition Timing Performance.The following software enhancement is also available: Engine is hard to start at temperatures -29°C (-20°F) for vehicles utilizing E15 fuel only (Sales Code ECN). Cruise control acceleration rate may be considered objectionable to some customers if the accel button is held down.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121862-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121862-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121862"},{"nhtsa_id":10076530,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-07-14","date":"2016-04-21","document_id":"18-048-16","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE","summary":"SYMPTOM/CONDITION: 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: · P0335 - Crankshaft Position Sensor Circuit. · P0456 - Evap System Small Leak.","document":null,"url":"https://open.wenmarpro.com/bulletins/10076530"}],"url":"https://open.wenmarpro.com/makes/jeep/compass/2016/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/compass/2016/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."]}