{"nhtsa_id":10018576,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-01-06","date":"2005-12-16","document_id":"1803805","mfr_campaign":null,"replaces":"1803805A","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"FLASH: ENGINE START AND DRIVE ABILITY AT ALTITUDE/BRAKE SWITCH DTC P0504. *AK","document":null,"url":"https://open.wenmarpro.com/bulletins/10018576","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0504"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_jeep_grand-cherokee"]},{"make":"JEEP","model":"LIBERTY","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_jeep_liberty","2006_jeep_liberty"]}],"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":[]}