{"vehicle":{"id":"2023_dodge_challenger","year":2023,"make":"Dodge","model":"Challenger"},"code":"P0302","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":11033947,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-18","date":"2026-06-13","document_id":"18-035-26 REV. A","mfr_campaign":null,"component":"ENGINE; POWER TRAIN","summary":"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● P0300 - Multiple Cylinder Misfire. ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P0305 - Cylinder 5 Misfire. ● P0306 - Cylinder 6 Misfire. ● P0307 - Cylinder 7 Misfire. ● P0308 - Cylinder 8 Misfire. ● P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2. Customers may comment on or experience the following: ● A rough idle condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033947-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033947-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033947"},{"nhtsa_id":11029760,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-28","document_id":"18-035-26","mfr_campaign":null,"component":"ENGINE; POWER TRAIN","summary":"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● P0300 - Multiple Cylinder Misfire. ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P0305 - Cylinder 5 Misfire. ● P0306 - Cylinder 6 Misfire. ● P0307 - Cylinder 7 Misfire. ● P0308 - Cylinder 8 Misfire. ● P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2. Customers may comment on or experience the following: ● A rough idle condition. This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029760-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029760-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029760"},{"nhtsa_id":11005019,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-23","date":"2024-07-17","document_id":"09-016-24","mfr_campaign":null,"component":"ENGINE","summary":"Spark Plug Re-Gap to Resolve Misfire Symptoms 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): ● P0300 - Multiple Cylinder Misfire. ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P0305 - Cylinder 5 Misfire. ● P0306 - Cylinder 6 Misfire. ● P0307 - Cylinder 7 Misfire. ● P0308 - Cylinder 8 Misfire. ● P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2. The customer may also comment on one or more of the following: ● Excessive vibration. ● Engine runs rough. ● Lack, or loss of power. ● Engine misfire.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11005019-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11005019-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11005019"}],"url":"https://open.wenmarpro.com/makes/dodge/challenger/2023/bulletins?code=P0302"},"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/challenger/2023/codes/P0302","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."]}