{"nhtsa_id":10190768,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-26","date":"2021-03-08","document_id":"N202326120","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Service Update. Certain vehicles may have incorrect calibration values in the Vehicle Leveling Module (VLM) software for air ride adaptive suspension. The incorrect calibration will use the incorrect loaded ride height which is 0.6 inches lower that the normal ride height. Dealers are to reprogram the VLM module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190768-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190768-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190768","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_cadillac_escalade-esv"]},{"make":"CADILLAC","model":"ESCALADE NA","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_cadillac_escalade"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_tahoe"]},{"make":"GMC","model":"YUKON XL","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_gmc_yukon-xl"]}],"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":[]}