{"vehicle":{"id":"2016_ram_1500","year":2016,"make":"Ram","model":"1500"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":8,"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":10217605,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-08","date":"2016-06-16","document_id":"18-006-16 REV. A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING","summary":"Flash: 3.6L and 5.7L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): · **P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. (5.7L only).** · P0456 - EVAP System Small Leak. · P1D73 - Active Grill Shutter (AGS) Performance. **In addition to the above DTCs, this software release also includes: · Improved shift quality during initial operations of a vehicle in cold ambient temperatures. (5.7L only). · Improved key-on engine-off oil pressure lamp behavior.**","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10217605-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10217605-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217605"},{"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":10140115,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2016-06-16","document_id":"18-006-16 REV. A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","summary":"Flash: 3.6L and 5.7L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): · **P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. (5.7L only).** · P0456 - EVAP System Small Leak. · P1D73 - Active Grill Shutter (AGS) Performance. **In addition to the above DTCs, this software release also includes: · Improved shift quality during initial operations of a vehicle in cold ambient temperatures. (5.7L only). · Improved key-on engine-off oil pressure lamp behavior.**","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140115-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140115-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140115"},{"nhtsa_id":10121664,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-07-12","document_id":"18-006-16 REV. B","mfr_campaign":null,"component":"SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; ENGINE","summary":"Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: · **P2299 - Brake Pedal Position/Accelerator Pedal Position Incompatible.** · P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance (5.7L Engine). · P0456 - EVAP System Small Leak. · P1D73 - Active Grill Shutter (AGS) Performance. In addition to the above DTCs, this software release also includes: · Improved shift quality during initial operations of a vehicle in cold ambient temperatures (5.7L Engine). · Improved key-on engine-off oil pressure lamp behavior.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121664-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121664-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121664"},{"nhtsa_id":10119632,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-21","date":"2016-01-14","document_id":"18-006-16","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: 5.7L and 3.6L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): · P0456 - EVAP System Small Leak. · P1D73 - Active Grill Shutter (AGS) Performance. · P2610 - PCM Internal Engine Off Timer Performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10119632-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10119632-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10119632"},{"nhtsa_id":10080000,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-09-14","date":"2016-06-16","document_id":"18-006-16REV.A","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE","summary":"\"FLASH: 3.6L AND 5.7L POWERTRAIN DIAGNOSTIC AND SYSTEM ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH THE LATEST AVAILABLE SOFTWARE. SOME CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND ONE OR MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS): · **P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. · P2610 - PCM INTERNAL ENGINE OFF TIMER PERFORMANCE. (5.7L ONLY).** · P0456 - EVAP SYSTEM SMALL LEAK. · P1D73 - ACTIVE GRILL SHUTTER (AGS) PERFORMANCE. **IN ADDITION TO THE ABOVE DTCS, THIS SOFTWARE RELEASE ALSO INCLUDES: · IMPROVED SHIFT QUALITY DURING INITIAL OPERATIONS OF A VEHICLE IN COLD AMBIENT TEMPERATURES. (5.7L ONLY). · IMPROVED KEY-ON ENGINE-OFF OIL PRESSURE LAMP BEHAVIOR.**\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10080000"}],"url":"https://open.wenmarpro.com/makes/ram/1500/2016/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/ram/1500/2016/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."]}