{"nhtsa_id":10044279,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-06-04","date":"2012-05-24","document_id":"SB-S-12-TZ","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS","mfr_system":null,"summary":"BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE HYDRAULIC BRAKE INTERLOCK ON CERTAIN MODEL YEAR VISION BUSES MAY HAD INSTALLED THE CIRCUIT PROTECTION INCORRECTLY WHICH COULD LEAD TO CIRCUIT BREAKER TRIPPING PREMATURELY. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10044279","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"BLUE BIRD","model":"VISION","year_from":2011,"year_to":2013,"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":[]}