{"nhtsa_id":10134033,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-04-23","date":"2012-10-03","document_id":"C0N Dealer Lette","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"In certain 2011 and 2012 Model Year Toyota Corolla vehicles manufactured at TMMMS, the Positive Temperature Coefficient (PTC) Heater relays were not installed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10134033-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10134033-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10134033","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TOYOTA","model":"COROLLA","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_toyota_corolla","2012_toyota_corolla"]}],"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":[]}