{"nhtsa_id":10168326,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-06","date":"2019-11-19","document_id":"Dealer 24EF","mfr_campaign":null,"replaces":null,"component":"ENGINE; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"Engine and/or transmission control module software designed and certified for similar models/model years was used in vehicles affected by this emissions service action. It is undetermined whether there could be an impact to OBD or CO2 emissions. As a precautionary measure, Volkswagen is proactively updating the software calibrations on affected vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168326-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168326-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168326","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","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":"VOLKSWAGEN","model":"CC","year_from":2012,"year_to":2012,"match":"exact","vehicle_ids":["2012_volkswagen_cc"]},{"make":"VOLKSWAGEN","model":"CC","year_from":2013,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"VOLKSWAGEN","model":"CC","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_volkswagen_cc","2015_volkswagen_cc","2016_volkswagen_cc"]},{"make":"VOLKSWAGEN","model":"EOS","year_from":2012,"year_to":2012,"match":"exact","vehicle_ids":["2012_volkswagen_eos"]},{"make":"VOLKSWAGEN","model":"GOLF","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_volkswagen_golf"]},{"make":"VOLKSWAGEN","model":"PASSAT","year_from":2012,"year_to":2017,"match":"exact","vehicle_ids":["2012_volkswagen_passat","2013_volkswagen_passat","2014_volkswagen_passat","2015_volkswagen_passat","2016_volkswagen_passat","2017_volkswagen_passat"]},{"make":"VOLKSWAGEN","model":"TIGUAN","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_volkswagen_tiguan","2013_volkswagen_tiguan","2014_volkswagen_tiguan","2015_volkswagen_tiguan"]},{"make":"VOLKSWAGEN","model":"TOUAREG","year_from":2012,"year_to":2012,"match":"exact","vehicle_ids":["2012_volkswagen_touareg"]}],"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":[]}