{"nhtsa_id":11024935,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-11-05","date":"2025-10-24","document_id":"SB-78","mfr_campaign":"SB-78","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"It has come to Tiffin Motorhomes attention that on certain 2025 GT1 motorhomes, the Spyder control panel may not be displaying the correct battery voltage. Tiffin Motorhomes will install a new harness to allow the Spyder control panel to display correct battery voltage and clear \"charge batteries\" when the batteries are at 100%.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024935-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024935-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024935","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TIFFIN","model":"GT1","year_from":2025,"year_to":2025,"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":[]}