{"nhtsa_id":10217589,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-08","date":"2017-03-31","document_id":"21-014-17","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Some customers may experience a less than desirable upshift in the transmission.The following enhancements are included in the software update: Min spark changes to prevent catalytic converter overheating. Transmission up shift quality enhancement in conjunction with Powertrain Control Module (PCM) reprogram.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10217589-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10217589-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217589","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"CHEROKEE","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_jeep_cherokee"]}],"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":[]}