{"vehicle":{"id":"2019_chrysler_300","year":2019,"make":"Chrysler","model":"300"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":7,"bulletins":[{"nhtsa_id":11012184,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-01-03","date":"2024-12-19","document_id":"18-089-24","mfr_campaign":null,"component":"POWER TRAIN","summary":"\"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2.** ● P0456 - EVAP System Small Leak. NOTE: If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. This bulletin involves reprogramming the PCM with the latest available software.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012184-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012184-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11012184"},{"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":10175732,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-26","date":"2020-04-18","document_id":"18-038-20","mfr_campaign":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the followingDiagnostic Trouble Code (DTC) has been set:P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification Test (SLVT) to determine if a leak is present in the system. Customers may also experience the following:Noise heard from the drivetrain while stationary and vehicle is in Sport/Track modes.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175732-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175732-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175732"},{"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":10168500,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-02","date":"2019-10-30","document_id":"18-085-19","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with updated software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system.Perform this software flash only on vehicles with less than 57 miles on the odometer.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168500-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168500-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168500"},{"nhtsa_id":10168480,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-02","date":"2019-10-25","document_id":"18-077-19","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0456 - EVAP System Small Leak.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168480-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168480-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168480"}],"url":"https://open.wenmarpro.com/makes/chrysler/300/2019/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/chrysler/300/2019/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."]}