{"nhtsa_id":11016467,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-04","date":"2025-03-20","document_id":"T020 - KW","mfr_campaign":"T020 - KW","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"T180/T280/T380/T480 PACCAR TX-8 Transmission Software Update for Wheel Speed Sensor Fix-As-Fail Certain T180 / T280 / T380 / T480 chassis equipped with a PACCAR TX-8 transmission received transmission software with an incorrect software variable. This software issue may cause Wheel Speed Sensor DTC 521215-2 to set, the Transmission Dash Light to Illuminate, and restricted shifting . A software update is now available to fix the issue.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016467-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016467-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016467","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T180","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_kenworth_t180","2025_kenworth_t180"]},{"make":"KENWORTH","model":"T280","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_kenworth_t280","2025_kenworth_t280","2026_kenworth_t280"]},{"make":"KENWORTH","model":"T380","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_kenworth_t380","2025_kenworth_t380","2026_kenworth_t380"]},{"make":"KENWORTH","model":"T480","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_kenworth_t480","2025_kenworth_t480","2026_kenworth_t480"]}],"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":[]}