{"nhtsa_id":10150525,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2015-04-10","document_id":"21-022-15","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience one or more of the following conditions. These conditions are only applicable on LD models. ? Less than desired upshift performance during Wide Open Throttle (WOT) accelerations. ? Less than desired overall downshift performance during coasting deceleration, braking, or while passing. In addition to the above conditions, this software release also enables the capability to capture Electronic Control Unit (ECU) operational data through the Uconnect Data Recording system. This enhancement is being released for all vehicles covered in this service bulletin.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10150525-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10150525-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10150525","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"300","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chrysler_300"]},{"make":"DODGE","model":"CHARGER","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_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":[]}