{"nhtsa_id":10204301,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-13","date":"2021-11-15","document_id":"9004444","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"SPRING, Valve For conern of misfire or misfire related DTCs and diagnosis leads to a broken valve spring, please replace all valve springs and contact FCA Redacted Content to FasTrak all replaced parts to QEC for further analysis. If no response in 15 minutes, proceed with repair.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204301-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204301-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10204301","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"CHALLENGER","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_dodge_challenger","2022_dodge_challenger"]},{"make":"DODGE","model":"CHARGER","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_dodge_charger","2022_dodge_charger"]},{"make":"JEEP","model":"GRAND WAGONEER","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WRANGLER","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_jeep_wrangler","2022_jeep_wrangler"]},{"make":"RAM","model":"1500","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_ram_1500","2022_ram_1500"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}