{"nhtsa_id":10126469,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-22","date":"2015-01-09","document_id":"WB14-47B","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"On the vehicles affected by this bulletin, perform a software update of ECM (Engine Control Module) and ACM (Aftertreatment Control Module) to provide improved temperature-related behaviour. The software will also change urea dosing valve behavior at shutdown and key-on. As an additional improvement, replace the urea dosing valve by an improved design. These hardware and software improvements aim to reduce the occurrence of clogging and shorting of the Urea Dosing Valve.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10126469-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10126469-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10126469","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"PREVOST","model":"H3-41","year_from":2010,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"PREVOST","model":"H3-45","year_from":2010,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"PREVOST","model":"WE","year_from":2011,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"PREVOST","model":"X3-45","year_from":2010,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"PREVOST","model":"X3VIP","year_from":2014,"year_to":2015,"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":[]}