{"nhtsa_id":10200175,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-09","date":"2021-06-21","document_id":"PIE0646","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the trailer light message and/or trailer disconnect message on the infotainment screen.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200175-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200175-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200175","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"instrument-cluster","name":"Instrument cluster","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_gmc_sierra"]}],"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":[]}