{"nhtsa_id":10016583,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-09-23","date":"2005-08-18","document_id":"7803405","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION DUE TO DIAGNOSTIC TROUBLE CODES (DTCS) P0420 OR P0430. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10016583","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0420","P0430"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2005,"year_to":2005,"match":"exact","vehicle_ids":["2005_jeep_grand-cherokee"]}],"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":[]}