{"nhtsa_id":10019583,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-03-31","date":"2005-12-01","document_id":"050604073","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CHECK ENGINE LIGHT MALFUNCTION INDICATOR LAMP ILLUMINATED, USUALLY WITHOUT DRIVEABILITY SYMPTOMS, DIAGNOSTIC TROUBLE CODES P0128, P0326, PO420, P0717, P2431 SET ON L61 ENGINE (FOLLOW SI, AND IF NECESSARY, REPROGRAM ENGINE CONTROL MODULE (ECM) WITH NEW SERVICE CALIBRATION). *AK","document":null,"url":"https://open.wenmarpro.com/bulletins/10019583","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0128","P0326","P0717","P2431"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COBALT","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_chevrolet_cobalt"]},{"make":"CHEVROLET","model":"HHR","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_chevrolet_hhr"]},{"make":"SATURN","model":"ION","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_saturn_ion"]}],"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":[]}