{"nhtsa_id":10026734,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-12-10","date":"2008-03-18","document_id":"SB-21","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:RECREATIONAL VEHICLE/TRAILER","mfr_system":null,"summary":"TIFFIN MOTORHOMES SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SWITCH BOX GROUNDING LUG. THE TAP SCREW IS NOT TIGHT ENOUGH. THIS COULD CAUSE PROBLEMS AT THE LOAD CENTER CAUSING A LOSS OF GROUND. CSC LETTER WAS RECEIVED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10026734","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TIFFIN","model":"ALLEGRO","year_from":1979,"year_to":1980,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ALLEGRO","year_from":1983,"year_to":1983,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ALLEGRO","year_from":1985,"year_to":1986,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ALLEGRO","year_from":1988,"year_to":1988,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ALLEGRO","year_from":1990,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ALLEGRO BAY","year_from":1998,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ALLEGRO BUS","year_from":1998,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"BAY","year_from":2000,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"BAY","year_from":2004,"year_to":2005,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"BUS","year_from":2000,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"BUS","year_from":2004,"year_to":2005,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"PHAETON","year_from":2000,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"TIFFIN","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"TIFFIN","year_from":1984,"year_to":1988,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"TIFFIN","year_from":2000,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"TRAVEL TRAILER","year_from":1999,"year_to":2000,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ZEPHYR","year_from":1999,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ZEPHYR","year_from":2005,"year_to":2008,"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":[]}