{"vehicle":{"id":"2013_jeep_wrangler","year":2013,"make":"Jeep","model":"Wrangler"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"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":10220422,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2013-06-25","document_id":"1802413","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","summary":"Flash: MIL Illumination P0830- Clutch Upstop Switch Rationality or P0456- Evap System Small Leak This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: P0830- Clutch Upstop Switch Rationality P0456 - Evap System Small LeakThe correction for Diagnostic Trouble Code P0456 only applies to 2013 Model Year vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10220422-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10220422-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220422"},{"nhtsa_id":10189190,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-22","date":"2013-06-25","document_id":"18-024-13","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","summary":"Flash: MIL Illumination P0830- Clutch Upstop Switch Rationality or P0456- Evap System Small Leak This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: P0830- Clutch Upstop Switch Rationality P0456 - Evap System Small LeakThe correction for Diagnostic Trouble Code P0456 only applies to 2013 Model Year vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10189190-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10189190-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189190"},{"nhtsa_id":10136899,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-21","date":"2013-06-25","document_id":"18-024-13","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: MIL Illumination P0830- Clutch Upstop Switch Rationality or P0456- Evap System Small Leak This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: P0830- Clutch Upstop Switch Rationality P0456 - Evap System Small LeakThe correction for Diagnostic Trouble Code P0456 only applies to 2013 Model Year vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10136899-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10136899-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10136899"},{"nhtsa_id":10121700,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-07-21","document_id":"18-025-16 REV. A","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE; POWER TRAIN; ELECTRICAL SYSTEM","summary":"Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs): · **P0456 - EVAP System Small Leak (13 MY only).** · U0140 Lost Communication With Body Control Module. Attempting to clear the DTC may be unsuccessful. Other enhancements included in this update: · Improved fuel pump relay operation. · Improved remote start time after key activation. · Improved Automatic Shutdown Relay (ASD) timer calibration.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121700-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121700-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121700"}],"url":"https://open.wenmarpro.com/makes/jeep/wrangler/2013/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/2013/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."]}