{"nhtsa_id":11032313,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-06","date":"2026-04-28","document_id":"08-187-26","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:BODY; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Door Control Module (DCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2577-00 - Window Not Calibrated / Lost Calibration. Customers may experience one or more of the following: ● Power windows are inoperative and will not respond to switch inputs.. ● Driver and passenger window auto up/down functions inoperative. This bulletin involves inspecting and possibly reprogramming the DDM and PDM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032313-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032313-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032313","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B2577"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_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":[]}