{"nhtsa_id":11037286,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-11","date":"2026-09-09","document_id":"26-DS-001G TSB","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Some GV70 (JK1, JK1A), GV80 (JX1) and G80 (RG3) vehicles may have a hum or whine noise condition from the rear differential at certain speeds. This bulletin describes the procedure to inspect the vehicle for the hum or whine noise and, if necessary, to tighten the rear differential lock nut to specification. If the hum or whine noise remains after tightening the lock nut, then this bulletin provides instructions to replace the rear differential or other driveline components as necessary.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037286-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037286-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037286","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"GENESIS","model":"G80","year_from":2021,"year_to":2027,"match":"exact","vehicle_ids":["2021_genesis_g80","2022_genesis_g80","2023_genesis_g80","2024_genesis_g80","2025_genesis_g80","2026_genesis_g80","2027_genesis_g80"]},{"make":"GENESIS","model":"GV70","year_from":2022,"year_to":2027,"match":"exact","vehicle_ids":["2022_genesis_gv70","2023_genesis_gv70","2024_genesis_gv70","2025_genesis_gv70","2026_genesis_gv70","2027_genesis_gv70"]},{"make":"GENESIS","model":"GV80","year_from":2021,"year_to":2027,"match":"exact","vehicle_ids":["2021_genesis_gv80","2022_genesis_gv80","2023_genesis_gv80","2024_genesis_gv80","2025_genesis_gv80","2026_genesis_gv80","2027_genesis_gv80"]}],"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":[]}