{"vehicle":{"id":"2015_jeep_wrangler","year":2015,"make":"Jeep","model":"Wrangler"},"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":10218289,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-22","date":"2016-04-07","document_id":"18-041-16","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","summary":"Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Codes (DTCs) have been set: · **P0335 - Crankshaft Position Sensor Circuit. · P0306 - Cylinder 6 Misfire (Automatic Transmissions only). · P0456 - EVAP System Small Leak (3.6L Engine Sales Code ERB only).** · U0140 - Lost Communication With Body Control Module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10218289-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10218289-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218289"},{"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":10140181,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2016-04-07","document_id":"18-041-16","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","summary":"Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Codes (DTCs) have been set: · **P0335 - Crankshaft Position Sensor Circuit. · P0306 - Cylinder 6 Misfire (Automatic Transmissions only). · P0456 - EVAP System Small Leak (3.6L Engine Sales Code ERB only).** · U0140 - Lost Communication With Body Control Module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140181-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140181-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140181"},{"nhtsa_id":10121652,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-07-09","document_id":"18-041-16 REV. A","mfr_campaign":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Codes (DTCs) have been set: · **P0300 - Multiple Cylinder Misfire (3.6L Engine Sales Code ERB only). · P0306 - Cylinder 6 Misfire (Automatic Transmissions only).** · P0335 - Crankshaft Position Sensor Circuit. · P0456 - EVAP System Small Leak (3.6L Engine Sales Code ERB only). · U0140 - Lost Communication With Body Control Module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121652-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121652-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121652"}],"url":"https://open.wenmarpro.com/makes/jeep/wrangler/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/wrangler/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."]}