{"nhtsa_id":11034097,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-26","date":"2026-07-26","document_id":"26-008","mfr_campaign":"26-008","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This bulletin describes the procedure to install the Compressor Power Relay Upgrade on affected Lineage units. The upgrade routes the A/C compressor positive power feed through a dedicated 120-amp relay, removing the compressor load from the control board. The upgrade is supplied as SDG kit 5000041 (GDRV PN 710676).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034097-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034097-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034097","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"GRAND DESIGN","model":"LINEAGE","year_from":2026,"year_to":2026,"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":[]}