{"vehicle":{"id":"2004_gmc_envoy","year":2004,"make":"GMC","model":"Envoy"},"code":"P1680","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10012153,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-02-15","date":"2004-06-01","document_id":"040604038","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"SERVICE ENGINE SOON LIGHT ON, P1680. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10012153"},{"nhtsa_id":10011821,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-02-01","date":null,"document_id":"3138","mfr_campaign":null,"component":"POWER TRAIN","summary":"REDUCED POWER LIGHT ON AND DIAGNOSTIC TROUBLE CODE P1680 P1221 AND OR P1271 STORED IN THE POWERTRAIN CONTROL MODULE. *EH","document":null,"url":"https://open.wenmarpro.com/bulletins/10011821"},{"nhtsa_id":10010105,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-11-04","date":"2004-01-01","document_id":"3138","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"REDUCED POWER LIGHT ON AND DIAGNOSTIC TROUBLE CODE P1680 P1221 AND/OR P1271 STORED IN THE POWER CONTROL MODULE. *SC","document":null,"url":"https://open.wenmarpro.com/bulletins/10010105"},{"nhtsa_id":10006820,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-05-14","date":"2004-01-01","document_id":"01917","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"FALSE DIAGNOSTIC TROUBLE CODE (DTC) P1680. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10006820"}],"url":"https://open.wenmarpro.com/makes/gmc/envoy/2004/bulletins?code=P1680"},"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/gmc/envoy/2004/codes/P1680","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."]}