{"nhtsa_id":10011049,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-12-28","date":"2004-10-01","document_id":"040604065","mfr_campaign":null,"replaces":"040604065A","component":"FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM","mfr_system":null,"summary":"ENGINEERING INVESTIGATION (EI #04073) HIGH, LOW OR ERRATIC OIL PRESSURE GAUGE READING SETTING DIAGNOSTIC TROUBLE CODES P0522 AND/OR P0523. 2004 ISUZU W4 ALSO INCLUDED. *TT UPDATE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10011049","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P0522","P0523"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_chevrolet_tahoe"]},{"make":"GMC","model":"SAVANA","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_gmc_yukon-xl"]},{"make":"HUMMER","model":"H2","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_hummer_h2"]}],"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":[]}