{"nhtsa_id":10157575,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2013-11-13","document_id":"V011336 2012810","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN","mfr_system":null,"summary":"Technical Bulletin (ECM, TCM Software Update and Valve Body Replacement for Harsh Up - Down Shift from Transmission when Cold): Customer may experience harsh up shift in gears 1-2 and 2-3, or harsh down shift in gears 3-2 and 2-1. The symptom is most noticeable at transmission temperatures below 60°C (140°F). The production solution for this issue was an updated transmission valve body, ECM and TCM software. The updated ECM and TCM software and updated transmission valve body addresses: ? Harsh Up/Down Shift 1-2-3, 3-2-1. This document discusses the \"Fault Codes\" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10157575-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10157575-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10157575","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"VOLKSWAGEN","model":"JETTA","year_from":2007,"year_to":2008,"match":"exact","vehicle_ids":["2007_volkswagen_jetta","2008_volkswagen_jetta"]},{"make":"VOLKSWAGEN","model":"JETTA SPORTWAGEN","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_volkswagen_jetta","2008_volkswagen_jetta"]},{"make":"VOLKSWAGEN","model":"PASSAT","year_from":2007,"year_to":2008,"match":"exact","vehicle_ids":["2007_volkswagen_passat","2008_volkswagen_passat"]},{"make":"VOLKSWAGEN","model":"PASSAT WAGON","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_volkswagen_passat","2008_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":[]}