{"nhtsa_id":10110684,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-04","date":"2013-11-18","document_id":"SP13-335","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL","mfr_system":null,"summary":"On the vehicles affected by this bulletin, the Audio Selector (A34) and R44 relay must be replaced with a new double throw relay in order to avoid sound interference in the PA system when a message from the command center is broadcasted.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10110684-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10110684-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10110684","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PREVOST","model":"X3","year_from":2012,"year_to":2012,"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":[]}