{"nhtsa_id":11020118,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-07-02","date":"2025-06-28","document_id":"21-011-25 REV. A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Flash: Transmission Control Module (TCM) Updates The customer must describe one or more of the following: ● **No perceptible change when drive mode is selected. ● Harsh or unstable launches in slippery or off-road conditions. ● Drive mode operating in incorrect drivetrain configurations.** ● Bump or jerk felt during Engine Start/Stop (ESS) operation in normal and snow modes. ● Bump during tip-in downshift while in Normal or Sport modes. ● Transmission shifting concerns when vehicle has less than 1500 miles (2414 Km). ● Driveability concerns and not holding correct gear during downgrade, snow mode and accelerator tip-out maneuvers This bulletin involves reprogramming the TCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020118-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11020118-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11020118","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_ram_1500"]}],"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":[]}