{"nhtsa_id":10125125,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-14","date":"2017-11-20","document_id":"PIT5599","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125125-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125125-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10125125","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["U0121"],"topics":[],"vehicles":[{"make":"BUICK","model":"LACROSSE","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_buick_lacrosse","2018_buick_lacrosse"]},{"make":"CADILLAC","model":"CT6","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_cadillac_ct6"]},{"make":"CADILLAC","model":"CT6 PLUG-IN HYBRID","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_cadillac_ct6","2018_cadillac_ct6"]},{"make":"CADILLAC","model":"ESCALADE","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_cadillac_escalade","2017_cadillac_escalade","2018_cadillac_escalade"]},{"make":"CADILLAC","model":"XT5","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_cadillac_xt5","2018_cadillac_xt5"]},{"make":"CHEVROLET","model":"BOLT EV","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_chevrolet_bolt-ev","2018_chevrolet_bolt-ev"]},{"make":"CHEVROLET","model":"MALIBU","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_chevrolet_malibu","2017_chevrolet_malibu","2018_chevrolet_malibu"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2016,"year_to":2017,"match":"base","vehicle_ids":["2016_chevrolet_silverado","2017_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_chevrolet_suburban","2017_chevrolet_suburban","2018_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_chevrolet_tahoe","2017_chevrolet_tahoe","2018_chevrolet_tahoe"]},{"make":"GMC","model":"ACADIA","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_gmc_acadia","2018_gmc_acadia"]},{"make":"GMC","model":"SIERRA 1500","year_from":2016,"year_to":2017,"match":"base","vehicle_ids":["2016_gmc_sierra","2017_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon"]}],"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":[]}