{"nhtsa_id":11016273,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-02","date":"2025-03-30","document_id":"21-020-25 REV. A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Transmission Control Module","summary":"\"Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DB7-00 - Torque Converter Clutch Performance. Customers may also experience one or more of the following: ● The check engine light illuminates. ● Overheating of the transmission fluid. This bulletin involves reprogramming the TCM with the latest available software.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016273-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016273-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016273","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P1DB7"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_jeep_wrangler"]}],"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":[]}