{"nhtsa_id":10137405,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-21","date":"2018-03-21","document_id":"17NA190","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"This informational bulletin provides information for technicians during diagnosis for DTC U0420.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10137405-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10137405-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10137405","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["U0420"],"topics":[],"vehicles":[{"make":"BUICK","model":"LACROSSE","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_buick_lacrosse","2018_buick_lacrosse"]},{"make":"CHEVROLET","model":"MALIBU","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_chevrolet_malibu","2017_chevrolet_malibu","2018_chevrolet_malibu"]}],"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":[]}