{"nhtsa_id":10144847,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-09-24","date":"2015-03-21","document_id":"21-017-15","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; ENGINE","mfr_system":null,"summary":"Flash: W5A580 Transmission Shift 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 symptoms are broken down by engine application. 3.6L engine (sales code ERB) ? Less than desired shift quality or elevated transmission temperatures during sport or track driving. ? Delayed shifting in hot ambient temperatures or during aggressive and Wide Open Throttle (WOT) driving. 5.7L engine (sales code EZH) ? Delayed shifting in hot ambient temperatures or during aggressive and Wide Open Throttle (WOT) driving. ? Less than desired fuel economy.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10144847-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10144847-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10144847","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","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":[]}