{"nhtsa_id":10216313,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-07-25","date":"2017-11-08","document_id":"21-047-17","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Customers may experience the following: A ?bump? or ?jerk? during a park to drive or park to reverse garage shift immediately after starting the engine. The above symptom/condition can only be duplicated at startup when vehicle has been shut down for at least 5 minutes. Poor shift quality or ?bump? experienced during or immediatelyafter Engine Stop/Start (ESS) restart.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10216313-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10216313-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10216313","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"DURANGO","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_dodge_durango"]},{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_jeep_grand-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":[]}