{"nhtsa_id":10120746,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-25","date":"2015-06-30","document_id":"A011526 2041120-","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"The MIL is on. DTC P042000 and/or P043000 (Catalyst system Bank 1/2, Efficiency below threshold) is stored in the engine control module (ECM), J623 (address word 01). The diagnostic limitations were too narrow.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120746-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120746-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10120746","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P0420","P0430"],"topics":[],"vehicles":[{"make":"AUDI","model":"A6","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_audi_a6","2013_audi_a6","2014_audi_a6"]},{"make":"AUDI","model":"A7","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_audi_a7","2013_audi_a7","2014_audi_a7"]},{"make":"AUDI","model":"A8","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_audi_a8","2013_audi_a8","2014_audi_a8"]},{"make":"AUDI","model":"Q5","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_audi_q5","2014_audi_q5","2015_audi_q5"]},{"make":"AUDI","model":"S4","year_from":2011,"year_to":2015,"match":"exact","vehicle_ids":["2011_audi_s4","2012_audi_s4","2013_audi_s4","2014_audi_s4","2015_audi_s4"]},{"make":"AUDI","model":"S5","year_from":2011,"year_to":2015,"match":"exact","vehicle_ids":["2011_audi_s5","2012_audi_s5","2013_audi_s5","2014_audi_s5","2015_audi_s5"]},{"make":"AUDI","model":"S5 CABRIOLET","year_from":2014,"year_to":2015,"match":null,"vehicle_ids":[]}],"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":[]}