{"nhtsa_id":10017337,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-11-03","date":"2005-04-01","document_id":"050604008","mfr_campaign":null,"replaces":"050604008A","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"DIAGNOSTIC TROUBLE CODE (DTC) P1172 OR P2636, FUEL GAUGE READS EMPTY, SERVICE ENGINE SOON (SES) LIGHT ON. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10017337","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P1172","P2636"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2001,"year_to":2005,"match":"exact","vehicle_ids":["2001_chevrolet_silverado","2002_chevrolet_silverado","2003_chevrolet_silverado","2004_chevrolet_silverado","2005_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2001,"year_to":2005,"match":"exact","vehicle_ids":["2001_gmc_sierra","2002_gmc_sierra","2003_gmc_sierra","2004_gmc_sierra","2005_gmc_sierra"]}],"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":[]}