{"nhtsa_id":10057800,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-06-29","date":"2014-01-24","document_id":"SB-40","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH","mfr_system":null,"summary":"TIFFIN MOTORHOMES: TSB CONTAINS NOTIFICATION OF OWNER LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. MODELS EQUIPPED WITH MOBILEYE MAY EXPERIENCE A DEFEAT SIGNAL AS SOON AS IT COMMANDS HIGH BEAMS ON AND IMMEDIATELY COMMANDS IT OFF. HEADLIGHTS WILL CONTINUE TO REPEAT CYCLE EVERY 10 SECONDS DEPENDING WHAT SYSTEM WHILE BUS IS IN MOTION. *TA","document":null,"url":"https://open.wenmarpro.com/bulletins/10057800","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"headlight","name":"Headlights","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"TIFFIN","model":"ALLEGRO","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ALLEGRO BUS","year_from":2014,"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":[]}