{"nhtsa_id":10134240,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-04-23","date":"2016-04-01","document_id":"L-SB-0015-16","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"TSB: Some 2011 ? 2012 CT 200h vehicles may exhibit a vibration due to rough idle and/or tapping noise from HV transaxle at cold start. The Check Engine Light may also illuminate with (DTC) P0401 (Exhaust Gas Recirculation Flow Insufficient Detected). Due to excess carbon build up at the valve assembly, the valve will stick causing the engine RPM to fluctuate. Follow the procedures in this bulletin to address this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10134240-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10134240-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10134240","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"egr-valve","name":"EGR valve","parent":"exhaust-emissions"}],"codes":["P0401"],"topics":[],"vehicles":[{"make":"LEXUS","model":"CT HYBRID","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]}],"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":[]}