{"nhtsa_id":10182543,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-16","date":"2020-10-08","document_id":"PIT5734A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182543-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182543-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10182543","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_gmc_sierra","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":[]}