{"nhtsa_id":10018716,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-01-11","date":"2005-11-01","document_id":"050849026","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"LOW OIL PRESSURE MESSAGE DISPLAY AND CHIMES ACTIVATED WHILE DRIVING FOLLOWING HYBRID (HP2) LM7 ENGINE AUTO-START (REPROGRAM THE PCM). *TS","document":null,"url":"https://open.wenmarpro.com/bulletins/10018716","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_chevrolet_silverado","2005_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["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":[]}