{"nhtsa_id":10213092,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-06-02","date":"2022-05-20","document_id":"42-060","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Fix As Fail - Certain chassis, equipped with an RCX230 Horton fan clutch and a Cummins X15 or ISX12N engine, are experiencing an adapter harness failure. This failure causes the fan to remain activated while the truck is in operation and may result in a check engine light and diagnostic trouble codes.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10213092-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10213092-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10213092","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_kenworth_t680"]}],"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":[]}