{"nhtsa_id":10139890,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2014-12-10","document_id":"21-041-14","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"845RE Harsh 2-1 Downshift This bulletin involves replacing the transmission valve body. A small number of customers may experience a bump sensation during a 2-1 downshift. This condition can occur at any transmission temperature and is most noticeable during light braking or while coasting to a stop. No Diagnostic Trouble Codes (DTCs) will be set as a result of this.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10139890-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10139890-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139890","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"300","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chrysler_300"]},{"make":"DODGE","model":"CHARGER","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_dodge_charger"]}],"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":[]}