{"nhtsa_id":10155154,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-03-25","date":"2019-02-22","document_id":"ITB19-003","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"2019 QX50; SPARK KNOCK IF YOU CONFIRM: A spark knock or knocking type noise coming from the engine under a low RPM/high load driving pattern (alternatively, ?at low speeds?) AND There are no DTCs stored in the ECM and/or TCM. ACTION 1. Reprogram the ECM, if applicable. 2. Inform the customer that premium gasoline is recommended.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10155154-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10155154-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10155154","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"INFINITI","model":"QX50","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_infiniti_qx50"]}],"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":[]}