{"nhtsa_id":10018309,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-12-21","date":"2005-11-07","document_id":"0506","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"ECM UPDATE FOR MALFUNCTION INDICATION LIGHT ON CONDITION, POSSIBLE DIAGNOSTIC CODE P2106(18538). *TS","document":null,"url":"https://open.wenmarpro.com/bulletins/10018309","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P2106"],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_audi_a4"]},{"make":"AUDI","model":"A6","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_audi_a6"]}],"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":[]}