{"nhtsa_id":634138,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-27","date":"2002-03-04","document_id":"02003A","mfr_campaign":null,"replaces":"01014","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"SUBJECT REGARDING CRANKSHAFT POSITION SENSOR SIGNAL, VEHICLES EQUIPPED WITH THE 3.7 L ENGINE, ALSO REFER TO 02003. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/634138","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"RAM","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_dodge_ram"]},{"make":"JEEP","model":"LIBERTY","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_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":[]}