{"nhtsa_id":10128395,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-02-05","date":"2015-07-24","document_id":"A0115332041261-1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"The EPC light is illuminated. DTCs are stored in the engine control module. Due to a software error, the ECM can falsely record engine misfires in the primary detection window. No actual engine misfires are present until the EPC light is illuminated and the ECM hides a cylinder.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10128395-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10128395-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10128395","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"S3","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_audi_s3"]}],"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":[]}