{"nhtsa_id":11010930,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-12-03","date":"2024-11-19","document_id":"R2306 - KW","mfr_campaign":"R2306 - KW","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Retrofit This retrofit provides new MY24 emissions labels and replaces pre-production parts and software with production level parts and software on certain Model Year 2024 chassis. Reference the “Retrofit Parts Matrix” in the Links section below to determine which chassis are eligible and parts required to complete the Retrofit. The emissions exemption for all PACCAR MX powered chassis involved in this retrofit expires on 10/31/2024. After that date, all PACCAR MX powered chassis that have not received this Retrofit will be out of emissions compliance and illegal to operate. Certain Cummins powered chassis listed on the “Retrofit Parts Matrix” may also require completion of Cummins Retrofit C7014, accessed through Cummins QuickServe. Cummins powered chassis may also be subject to emissions exemption expiration. Refer to engine emissions label to determine if an exemption expiration date applies. Chassis equipped with PACCAR MX engines will receive redesigned fuel injectors to optimize engine performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11010930-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11010930-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11010930","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T380","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_kenworth_t380"]},{"make":"KENWORTH","model":"T480","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_kenworth_t480"]},{"make":"KENWORTH","model":"T680","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_kenworth_t680"]},{"make":"KENWORTH","model":"T880","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_kenworth_t880"]},{"make":"KENWORTH","model":"W900","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W990","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_kenworth_w990"]}],"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":[]}