{"nhtsa_id":10045180,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-08-22","date":"2012-07-01","document_id":"SB-20-9","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"THOMAS BUILT BUSES: GENTECH LOW COOLANT LEVEL SENSORS, WITH MOUNTED SURGE TANKS, ARE MISDIAGNOSED DUE TO FAULT CODE DURING TEMPORARY LOW COOLANT LEVEL IN SURGE TANK DURING ENGINE WARM UP. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10045180","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"THOMAS BUILT","model":"SAF-T-LINER C2","year_from":2010,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"THOMAS BUILT BUSES","model":"SAF-T-LINER C2","year_from":2010,"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":[]}