{"nhtsa_id":10184107,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-12-14","date":"2020-11-13","document_id":"PIT5795","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"This Preliminary information communicates and issue with a either a Service Leveling or Service Headlight message displayed on the DIC. When checking for DTC's a U0132 for Lost Communication with K5 Automatic Level Control Module (ALCM) may be set in several modules. When trying to communicate with the Automatic Level Control Module there will be no communication. Engineering is working on a fix.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10184107-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10184107-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10184107","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":["U0132"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_cadillac_escalade"]},{"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","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_gmc_yukon"]},{"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":[]}