{"nhtsa_id":635687,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-30","date":"2002-08-05","document_id":"1802302","mfr_campaign":null,"replaces":"182998","component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"CONCERNS WITH MALFUNCTION INDICATOR LAMP ILLUMINATION WITH A CATALYST EFFICIENCY FAILURE DIAGNOSTIC TROUBLE CODE (DTC P0420) RECORDED IN THE POWER TRAIN CONTROL MODULE (PCM). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/635687","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"}],"codes":["P0420"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"300M","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"CHRYSLER","model":"300M","year_from":1999,"year_to":1999,"match":"base","vehicle_ids":["1999_chrysler_300"]},{"make":"CHRYSLER","model":"CONCORDE","year_from":1998,"year_to":1999,"match":"exact","vehicle_ids":["1998_chrysler_concorde","1999_chrysler_concorde"]},{"make":"CHRYSLER","model":"LHS","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"CHRYSLER","model":"LHS","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_chrysler_lhs"]},{"make":"DODGE","model":"INTREPID","year_from":1998,"year_to":1999,"match":"exact","vehicle_ids":["1998_dodge_intrepid","1999_dodge_intrepid"]}],"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":[]}