{"nhtsa_id":10136236,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-07","date":"2018-01-25","document_id":"SB-56","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:12V/24V/48V BATTERY","mfr_system":null,"summary":"There is the possibility that the merge solenoid may not connect the chassis batteries to the house batteries when the engine is running. This would accur when the house battery voltage is too low. This could cause the house batteries not to charge while the engine is running and the house battery voltage is low. Tiffin included parts and work instructions for customer to take to our dealer or reputable service center of their choice free of charge to customer.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10136236-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10136236-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10136236","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"battery","name":"12-volt battery","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"TIFFIN","model":"BUS","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"PHAETON","year_from":2018,"year_to":2018,"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":[]}