{"nhtsa_id":10157779,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2012-11-02","document_id":"Update Bulletin","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE","mfr_system":null,"summary":"UPDATE Technical Bulletin (UPDATE ? 24Y4 MPI Software): This update has been proactively released to prevent slight hesitation concerns. If vehicle is equipped with an automatic transmission, TCM must be reprogrammed along with the ECM. If vehicle is equipped with a manual transmission, only ECM programming is required. Current ECM programming may be causing slight hesitation related concerns on vehicles equipped with 2.0 liter CBPA engines (depending on driving conditions). The production solution to this issue was Improved ECM/TCM software was introduced to address drivability concerns and slight hesitation complaints.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10157779-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10157779-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10157779","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","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":"JETTA","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_volkswagen_jetta"]}],"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":[]}