{"nhtsa_id":10174217,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-04-27","date":"2020-03-07","document_id":"21-018-20","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customer may experience a undesirable or long 5-4 shift during a vehicle coast-down.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174217-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174217-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174217","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":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_jeep_cherokee","2018_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":[]}