{"nhtsa_id":10232813,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-13","date":"2023-02-14","document_id":"PIT5948B","mfr_campaign":null,"replaces":null,"component":"TRAILER HITCHES","mfr_system":null,"summary":"This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering released an updated trailer brake switch, See Customer Satisfaction Program N222384930.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232813-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232813-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10232813","components":[{"id":"trailer-hitch","name":"Trailer hitch","parent":null}],"codes":["C159C"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_cadillac_escalade-esv"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2022,"year_to":2023,"match":"base","vehicle_ids":["2022_chevrolet_silverado","2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_chevrolet_tahoe","2023_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2022,"year_to":2023,"match":"base","vehicle_ids":["2022_gmc_sierra","2023_gmc_sierra"]},{"make":"GMC","model":"YUKON XL","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_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":[]}