{"nhtsa_id":10244496,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-11-10","date":"2023-10-02","document_id":"E292 PB","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Campaign Certain EPA2021 chassis equipped with PACCAR MX engines have Selective Catalytic Reduction (SCR) Catalyst contamination that occurred during manufacturing. SCR Catalyst assemblies will be inspected and replaced as necessary.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10244496-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10244496-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10244496","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PETERBILT","model":"389","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_peterbilt_389","2022_peterbilt_389"]},{"make":"PETERBILT","model":"567","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_peterbilt_567","2022_peterbilt_567"]},{"make":"PETERBILT","model":"579","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_peterbilt_579","2022_peterbilt_579"]}],"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":[]}