{"vehicle":{"id":"2020_jeep_wrangler","year":2020,"make":"Jeep","model":"Wrangler"},"code":"P0441","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":20,"bulletins":[{"nhtsa_id":10241090,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-21","date":"2023-06-15","document_id":"1807023","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; 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 the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? **P02EE - CYLINDER 1 INJECTOR CIRCUIT PERFORMANCE. ? P02EF - CYLINDER 2 INJECTOR CIRCUIT PERFORMANCE. ? P02F0 - CYLINDER 3 INJECTOR CIRCUIT PERFORMANCE. ? P02F1 - CYLINDER 4 INJECTOR CIRCUIT PERFORMANCE. ** ? P0335 - Crankshaft Position Sensor Circuit. ? P0339 - Crankshaft Position Sensor Intermittent. ? P2C90 - Crankcase Ventilation System - Hose 9A9 Disconnected . ? P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). ? P0441 - EVAP Purge System Performance. ? P0607 - ECU Internal Performance. ? P0506 - Idle Speed Performance Lower Than Expected. The customer may also comment on the following: ? ?Performance Limited Service Fuel System? message in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241090-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241090-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241090"},{"nhtsa_id":10229311,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2020-07-31","document_id":"S2008000112","mfr_campaign":null,"component":"BACK OVER PREVENTION:DISPLAY FUNCTION; STRUCTURE:INTERIOR PANELS:DASHBOARD","summary":"MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10229311-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10229311-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229311"},{"nhtsa_id":10229149,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2022-03-17","document_id":"1805322","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; EXTERIOR LIGHTING","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 one or more of the following (DTCs) have been set: P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229149-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229149-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229149"},{"nhtsa_id":10229142,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2022-03-11","document_id":"1804922","mfr_campaign":null,"component":"BACK OVER PREVENTION; EXTERIOR LIGHTING; 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 the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Abnormal Engine noise heard periodically. This noise is caused by Variable Valve Timing (VVT) cleaning cycle. A misfire condition with no Malfunction Indicator Lamp (MIL) illuminationor Diagnostic Trouble Codes (DTCs) set. In addition, the following software enhancements are available: Updates to include misfire DTCs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229142-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229142-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229142"},{"nhtsa_id":10223187,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2022-03-17","document_id":"1805322","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","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 one or more of the following (DTCs) have been set: P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10223187-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10223187-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10223187"},{"nhtsa_id":10223180,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2022-03-11","document_id":"1804922","mfr_campaign":null,"component":"POWER TRAIN","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 the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Abnormal Engine noise heard periodically. This noise is caused by Variable Valve Timing (VVT) cleaning cycle. A misfire condition with no Malfunction Indicator Lamp (MIL) illuminationor Diagnostic Trouble Codes (DTCs) set. In addition, the following software enhancements are available: Updates to include misfire DTCs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10223180-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10223180-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10223180"},{"nhtsa_id":10221741,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2020-07-31","document_id":"S2008000112","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10221741-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10221741-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221741"},{"nhtsa_id":10221488,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2022-06-15","document_id":"1805322REVA","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE","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 one or more of the following (DTCs) have been set: P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P2C90 - Crankcase Ventilation System - Hose \"A\" Disconnected. P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10221488-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10221488-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221488"},{"nhtsa_id":10221487,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2022-06-15","document_id":"1801922REVA","mfr_campaign":null,"component":"EXTERIOR LIGHTING; BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE; 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 one or more of the following DTCs have been set: P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P2C90 - Crankcase Ventilation System - Hose \"A\" Disconnected . P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P02EE - Cylinder 1 Injector Circuit Performance. P02EF - Cylinder 2 Injector Circuit Performance. P02F0 - Cylinder 3 Injector Circuit Performance. P02F1 - Cylinder 4 Injector Circuit Performance. P0441 - EVAP Purge System Performance. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10221487-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10221487-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221487"},{"nhtsa_id":10220805,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2022-03-17","document_id":"1805322","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","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 one or more of the following (DTCs) have been set: P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10220805-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10220805-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220805"}],"url":"https://open.wenmarpro.com/makes/jeep/wrangler/2020/bulletins?code=P0441"},"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/2020/codes/P0441","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."]}