{"nhtsa_id":10131524,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-04-02","date":"2013-05-01","document_id":"SP13-34A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"On the vehicles affected by this bulletin, a relay needs to be added to allow the DEF to return to the tank after turning the key to the OFF position. In addition, the ACM & MCM need to be reprogrammed to the latest version.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10131524-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10131524-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10131524","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PREVOST","model":"H3-45","year_from":2013,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"PREVOST","model":"H3-VIP","year_from":2013,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"PREVOST","model":"X3","year_from":2013,"year_to":2014,"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":[]}