{"nhtsa_id":10093296,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-03-01","date":"2016-04-20","document_id":"A01165920409242","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO PERFORM AN EVAP SYSTEM PRESSURE TEST TO DIAGNOSE DTC P0456.","document":null,"url":"https://open.wenmarpro.com/bulletins/10093296","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":["P0456"],"topics":[],"vehicles":[{"make":"AUDI","model":"Q7","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_audi_q7","2015_audi_q7"]}],"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":[]}