{"nhtsa_id":10229814,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-17","date":"2022-12-15","document_id":"21-035-22","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; BACK OVER PREVENTION","mfr_system":null,"summary":"Flash: Transmission Control Module (TCM) Updates The customer may describe one or more of the following: ? **A clunk or loud popping noise from the transmission (underneath) when the vehicle is started/ remote start.** ? A loud whistle noise upon engine start up. ? Rough and/or erratic shifting between gears during normal drive cycles. This bulletin involves reprogramming the TCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229814-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10229814-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229814","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"DURANGO","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_dodge_durango"]}],"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":[]}