{"nhtsa_id":10159923,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-11-10","document_id":"21-061-15","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience the following: ? Poor shift quality. The following enhancements are included in this software update: ? Upshift improvements. ? Downshift improvements. ? Better gear engagement. ? Uphill/Downhill improvements. ? Improved coasting behavior.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10159923-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10159923-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10159923","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"200","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_chrysler_200"]}],"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":[]}