{"nhtsa_id":10144869,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-09-24","date":"2015-03-31","document_id":"21-019-15","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","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. ? Less than desired upshift performance during Wide Open Throttle (WOT) accelerations. ? Less than desired overall downshift performance during coasting deceleration, braking, or while passing. ? Less than desired transmission performance during Multiple Displacement System (MDS) mode transitions. ? Less than desired light or medium throttle shift performance. In addition to the above conditions, this software release also enables the capability to capture Electronic Control Unit (ECU) data through the Uconnect Data Recording system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10144869-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10144869-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10144869","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"CHALLENGER","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_dodge_challenger"]}],"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":[]}