{"nhtsa_id":10157597,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2013-11-11","document_id":"Dealer Letter -","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"VOLKSWAGEN DEALERSHIP COMMUNICATION (Shifting concerns): Current TCM programming in combination with ECM programming may cause shift quality concerns and/or rough running behavior depending on driving conditions. The corrective action taken for this issue was to Update the TCM and ECM software","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10157597-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10157597-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10157597","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"VOLKSWAGEN","model":"JETTA","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_volkswagen_jetta"]},{"make":"VOLKSWAGEN","model":"PASSAT","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_volkswagen_passat"]}],"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":[]}