{"nhtsa_id":10225497,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-11-02","date":"2022-10-20","document_id":"SF659","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Field Service Campaign for Western Star 47X and 49X Maintenance System Update. On certain vehicles, the maximum driving distance parameter that prompts notification to change the transmission oil is set incorrectly. The parameter is set to provide an indicator no later than 965,400 km (approx. 600,000 mi), when it should have been set to provide an indicator no later than 300,000 km (approx.186,000 mi).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225497-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10225497-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10225497","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"47X","year_from":2021,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"49X","year_from":2021,"year_to":2023,"match":null,"vehicle_ids":[]}],"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":[]}