{"nhtsa_id":10160997,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-06-10","date":"2019-05-09","document_id":"PIP3330D","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Preliminary Information Document advises the dealer that there is a software update available for the Powertrain Control Module to address diagnostic trouble code P0171. If the software update does not correct the condition, the dociment directs the dealer to related technical servce bulletins that cover cleaning fuel injectors and addressing fuel quality.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10160997-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10160997-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160997","components":[{"id":"electrical","name":"Electrical system","parent":null},{"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":["P0171"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_chevrolet_trailblazer","2005_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_gmc_envoy","2005_gmc_envoy"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_oldsmobile_bravada"]}],"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":[]}