{"nhtsa_id":10228396,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-03","date":"2014-02-16","document_id":"01146620306652","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"The quality of the auxiliary exhaust gas recirculation (EGR) cooler modules manufactured within a certain timeframe may be inadequate. The vacuum actuator diaphragm may have leaks. A faulty auxiliary EGR cooler will trigger a P310E fault. Faulty operation of the auxiliary EGR cooler can also trigger the P040B fault, but there is no issue with the temperature sensor.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10228396-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10228396-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10228396","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P040B","P310E"],"topics":[],"vehicles":[{"make":"AUDI","model":"Q7","year_from":2012,"year_to":2012,"match":"exact","vehicle_ids":["2012_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":[]}