{"nhtsa_id":10125577,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-14","date":"2014-02-18","document_id":"A011466 2030665-","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"Supersedes Technical Service Bulletin Group 26 number 12-13 dated August 31, 2012. The MIL is on. DTCs are stored in the ECM. 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-10125577-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10125577-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10125577","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","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":[]}