{"nhtsa_id":11012348,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-01-06","date":"2025-01-18","document_id":"TSB25001","mfr_campaign":null,"replaces":null,"component":"FUEL/PROPULSION SYSTEM","mfr_system":"def","summary":"If a DEF sensor fails, validate that the Coolant Control Valve is plumbed so that the coolant flows towards the DEF Tank. If it is plumbed incorrectly, replace the coolant control valve along with DEF assy. Follow the attached instructions for inspection.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11012348-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11012348-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11012348","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ROSENBAUER","model":"AVENGER","year_from":2017,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"ROSENBAUER","model":"COMMANDER","year_from":2017,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"ROSENBAUER","model":"WARRIOR","year_from":2017,"year_to":2024,"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":[]}