{"nhtsa_id":10033670,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-09-04","date":"2010-01-01","document_id":"TSB-056","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"KIA: KNOCK SENSOR REPLACEMENT (SA017). SOME VEHICLES EQUIPPED WITH THE ALPHA ENGINE (1.6L) MAY ILLUMINATE A MIL RELATED TO KNOCK SENSOR CODES P0326 (KNOCK SENSOR 1 CIRCUIT RANGE/PERFORMANCE) AND/OR P0327 (KNOCK SENSOR 1 CIRCUIT LOW INPUT). IN ORDER TO REPAIR THIS CONCERN, A KNOCK SENSOR REPLACEMENT IS NECESSARY. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10033670","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0326","P0327"],"topics":[],"vehicles":[{"make":"KIA","model":"RIO","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_kia_rio"]}],"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":[]}