{"nhtsa_id":10125211,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-14","date":"2017-11-08","document_id":"122-S9X3M-12","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Situation: Cayenne Diesel vehicles were equipped with undisclosed Auxiliary Emission Control Devices which are not permitted by emissions regulations. Action Required: Install updated engine control module (DME) software and transmission control module (Tiptronic) software to bring affected vehicles into regulatory compliance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125211-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10125211-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10125211","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"software","name":"Software","parent":"electrical"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_porsche_cayenne","2016_porsche_cayenne"]}],"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":[]}