{"nhtsa_id":10012596,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-03-08","date":"2004-04-01","document_id":"040604023","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"POWERTRAIN CONTROL MODULE WILL NOT PROPERLY COMMUNICATE ON BOARD DIAGNOSTIC EGR TEST RESULT INFORMATION TO NON-TECH2 SERVICE OR TEST EQUIPMENT. *EH","document":null,"url":"https://open.wenmarpro.com/bulletins/10012596","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"LESABRE","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_buick_lesabre"]},{"make":"BUICK","model":"PARK AVENUE","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_buick_park-avenue"]},{"make":"BUICK","model":"REGAL","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_buick_regal"]},{"make":"CHEVROLET","model":"IMPALA","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_chevrolet_impala"]},{"make":"CHEVROLET","model":"MONTE CARLO","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_chevrolet_monte-carlo"]},{"make":"PONTIAC","model":"BONNEVILLE","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_pontiac_bonneville"]},{"make":"PONTIAC","model":"GRAND PRIX","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_pontiac_grand-prix"]}],"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":[]}