{"vehicle":{"id":"2016_dodge_dart","year":2016,"make":"Dodge","model":"Dart"},"code":"P0456","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":14,"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":10228116,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-19","date":"2016-05-11","document_id":"1805816","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING","summary":"Flash: 2.0L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. A small number of 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): · **P0335-00 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. In addition to the above DTCs, this software release also includes: · Enhancements to the disable misfire monitor when P0335 (Crankshaft Position Sensor Circuit) is present. · Re-Activation of Electronic Throttle Control (ETC) (2.0L MTX only). · Engine oil temperature gauge calibration enhancement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228116-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228116-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10228116"},{"nhtsa_id":10228108,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-19","date":"2016-05-25","document_id":"1800916REVA","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM","summary":"Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P1185 - General Pressure Sensor Correlation.** · P0335 - Crankshaft Position Sensor Circuit. · P050D - Cold Start Rough Idle. · P0456 - Evap System Small Leak. · P0133 - O2 Sensor 1/1 Slow Response (additional enhancements). · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. **In addition to the above DTCs, this software release also includes these enhancements/corrections: · A ?Clunk feeling\" when depressing the gas pedal after a coasting maneuver when Decel Fuel Shut Off (DFSO) is enabled and is exiting during pedal tip-in.** · False reading that the engine is overheating based on the engine oil temp gauge read out. · Improved ambient temperature sensor diagnostics during sunload. · Disable misfire monitor when P0335 (Crankshaft Position Sensor Circuit) is present. · Engine oil temperature gauge level recalibration to avoid the misperception of an engine overheating condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228108-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228108-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10228108"},{"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":10181481,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-26","date":"2016-05-11","document_id":"18-058-16","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; ENGINE","summary":"Flash: 2.0L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. A small number of 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): · **P0335-00 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. In addition to the above DTCs, this software release also includes: · Enhancements to the disable misfire monitor when P0335 (Crankshaft Position Sensor Circuit) is present. · Re-Activation of Electronic Throttle Control (ETC) (2.0L MTX only). · Engine oil temperature gauge calibration enhancement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10181481-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10181481-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181481"},{"nhtsa_id":10181473,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-26","date":"2016-05-25","document_id":"18-009-16 REV. A","mfr_campaign":null,"component":"ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM","summary":"Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P1185 - General Pressure Sensor Correlation.** · P0335 - Crankshaft Position Sensor Circuit. · P050D - Cold Start Rough Idle. · P0456 - Evap System Small Leak. · P0133 - O2 Sensor 1/1 Slow Response (additional enhancements). · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. **In addition to the above DTCs, this software release also includes these enhancements/corrections: · A ?Clunk feeling\" when depressing the gas pedal after a coasting maneuver when Decel Fuel Shut Off (DFSO) is enabled and is exiting during pedal tip-in.** · False reading that the engine is overheating based on the engine oil temp gauge read out. · Improved ambient temperature sensor diagnostics during sunload. · Disable misfire monitor when P0335 (Crankshaft Position Sensor Circuit) is present. · Engine oil temperature gauge level recalibration to avoid the misperception of an engine overheating condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10181473-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10181473-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181473"},{"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":10160079,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-12-24","document_id":"18-106-15 REV A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","summary":"Flash: 2.0L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. A small number of 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. ? P2610 - PCM Internal Engine Off Timer Performance. ? P1607 - PCM Internal Shutdown Timer Rationality. In addition to the above DTCs, this software release also includes: ? This software release includes improving the disable misfire monitor when P0335 (Crankshaft Position Sensor Circuit) is present. ? Re-Activation of Electronic Throttle Control (ETC) (2.0L MTX only). ? Engine oil temperature gauge calibration enhancement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160079-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160079-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160079"},{"nhtsa_id":10160055,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-12-19","document_id":"18-076-15 REV A","mfr_campaign":null,"component":"ENGINE; POWER TRAIN; ELECTRICAL SYSTEM","summary":"Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: ? P0456 - Evap System Small Leak. ? P0133 - O2 Sensor 1/1 Slow Response (additional enhancements). ? P2610 - PCM Internal Engine Off Timer Performance. ? P1607 - PCM Internal Shutdown Timer Rationality. In addition, some customers may describe that the engine is overheating based on the engine oil temp gauge read out. Software improvements include: ? Improved ambient temperature sensor diagnostics during sunload. ? Disable misfire monitor when P0335 (Crankshaft Position Sensor Circuit) is present. ? Engine oil temperature gauge level recalibration to avoid the misperception of an engine overheating condition. NOTE: Reprogram the PCM if P0335 is present along with engine misfire DTCs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160055-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160055-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160055"},{"nhtsa_id":10160045,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-12-15","document_id":"18-106-15","mfr_campaign":null,"component":"ENGINE; ELECTRICAL SYSTEM; POWER TRAIN","summary":"Flash: 2.0L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. A small number of 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. ? P2610 - PCM Internal Engine Off Timer Performance. ? P1607 - PCM Internal Shutdown Timer Rationality. In addition to the above DTCs, this software release also includes an engine oil temperature gauge calibration enhancement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160045-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10160045-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160045"}],"url":"https://open.wenmarpro.com/makes/dodge/dart/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/dodge/dart/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."]}