{"vehicle":{"id":"2005_chevrolet_trailblazer","year":2005,"make":"Chevrolet","model":"Trailblazer"},"code":"P0171","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"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,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","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"},{"nhtsa_id":10017245,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-10-29","date":null,"document_id":"3522","mfr_campaign":null,"component":"FUEL SYSTEM, OTHER","summary":"SERVICE VME - FUEL SYSTEM LEAN DTCS P0101 P0171 P0174. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10017245"},{"nhtsa_id":10014870,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-05-11","date":null,"document_id":"3232","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10014870"}],"url":"https://open.wenmarpro.com/makes/chevrolet/trailblazer/2005/bulletins?code=P0171"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/chevrolet/trailblazer/2005/codes/P0171","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}