{"vehicle":{"id":"2022_dodge_challenger","year":2022,"make":"Dodge","model":"Challenger"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":10243283,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-02","date":"2023-08-29","document_id":"1809623","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: Powertrain Control Module (PCM) Updates 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: ? P0455 - EVAP System Large Leak. ? P0456 - EVAP System Small Leak. ? P0440 - General Evap System Failure. ? P0441 - EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243283-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243283-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243283"},{"nhtsa_id":10243280,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-02","date":"2023-08-29","document_id":"1809523","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","summary":"Flash: Powertrain Control Module (PCM) Updates 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: ? P0455 - EVAP System Large Leak. ? P0456 - EVAP System Small Leak. ? P0440 - General Evap System Failure. ? P0441 - EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243280-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243280-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243280"},{"nhtsa_id":10243255,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-02","date":"2023-08-16","document_id":"1809123","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: Powertrain Control Module (PCM) Updates 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: ? P0455 - EVAP System Large Leak. ? P0456 - EVAP System Small Leak. ? P0440 - General EVAP System Failure. ? P0441 - EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243255-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243255-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243255"},{"nhtsa_id":10243253,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-02","date":"2023-08-16","document_id":"1809023","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: Powertrain Control Module (PCM) Updates 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: ? P0455 - EVAP System Large Leak. ? P0456 - EVAP System Small Leak. ? P0440 - General EVAP System Failure. ? P0441 - EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243253-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243253-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243253"},{"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"}],"url":"https://open.wenmarpro.com/makes/dodge/challenger/2022/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/dodge/challenger/2022/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."]}