{"nhtsa_id":10121323,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-31","date":"2013-09-26","document_id":"A011332 2035368-","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"MIL on. DTC P203B00 (Reductant Level Sensor Circuit Range/Performance) is stored in the engine control module (ECM), J623 (address word 01). Due to a production issue for the level sensor, the ECM cannot correctly read the Reductant (AdBlue) fluid level.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10121323-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10121323-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121323","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P203B"],"topics":[],"vehicles":[{"make":"AUDI","model":"A8","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_audi_a8"]},{"make":"AUDI","model":"Q5","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_audi_q5"]}],"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":[]}