{"vehicle":{"id":"2026_ram_1500","year":2026,"make":"Ram","model":"1500"},"code":"B2577","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":11034893,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-08","date":"2026-06-30","document_id":"08-187-26 REV. B","mfr_campaign":null,"component":"STRUCTURE:BODY; ELECTRICAL SYSTEM","summary":"Flash: Door Control Module (DCM) Updates Technician may find the following Diagnostic Trouble Code (DTC): SYMPTOM: ● B2577-00 - Window Not Calibrated / Lost Calibration. Customers may experience one or more of the following: ● Driver and passenger window 'auto up' function is 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-11034893-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034893-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034893"},{"nhtsa_id":11033337,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-03","date":"2026-05-30","document_id":"08-187-26 REV. A","mfr_campaign":null,"component":"STRUCTURE:BODY","summary":"Flash: Door Control Module (DCM) Updates Technician may find the following Diagnostic Trouble Code (DTC): ● B2577-00 - Window Not Calibrated / Lost Calibration.** Customers may experience one or more of the following: ● Driver and passenger window 'auto up' function is 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-11033337-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033337-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033337"},{"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,"component":"STRUCTURE:BODY; ELECTRICAL SYSTEM","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"},{"nhtsa_id":11023316,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-24","date":"2025-09-16","document_id":"08-303-25","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","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","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023316-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023316-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023316"}],"url":"https://open.wenmarpro.com/makes/ram/1500/2026/bulletins?code=B2577"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/ram/1500/2026/codes/B2577","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}