{"nhtsa_id":10224300,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2022-09-27","document_id":"PIT5948","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:SWITCH; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; 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 is aware of the issue and working on a fix.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10224300-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10224300-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10224300","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"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":2022,"match":"base","vehicle_ids":["2022_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":2022,"match":"exact","vehicle_ids":["2022_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_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":[]}