{"nhtsa_id":11027309,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-01-07","date":"2025-12-18","document_id":"IK1201009","mfr_campaign":"IK1201009","replaces":null,"component":"STRUCTURE:BODY","mfr_system":null,"summary":"In some geographic areas, ambient temperatures reaching below 40°F (4°C), including high levels of humidity, an operator may experience engine stalling, low performance, and/or poor aftertreatment performance. This is caused by condensation accumulating and freezing within the Charge Air Cooler (CAC); affecting air flow into the engine. This article lists currently available winter front covers that can be installed on the front grille and bumper to reduce cold air flow to the engine compartment.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027309-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027309-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027309","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"IC BUS","model":"CECB","year_from":2024,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"CESB","year_from":2023,"year_to":2027,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"EVSB","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"IC BUS","model":"TC","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"LT","year_from":2017,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"MV","year_from":2017,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"PROSTAR","year_from":2005,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"PROSTAR","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_international_prostar"]},{"make":"INTERNATIONAL","model":"PROSTAR","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"RH","year_from":2017,"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":[]}