{"nhtsa_id":41031,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-11-01","date":"1995-04-01","document_id":"RCL/637","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"RECALL 637 - CARBON MONOXIDE LEVELS MAY EXCEED THE LIMITS ALLOWED BY FEDERAL EMISSIONS STANDARDS. TO CORECT THIS CONDITION, THE POWERTRAIN CONTROL MODULE MUST BE REPLACED. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/41031","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"ARIES","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_dodge_aries"]},{"make":"DODGE","model":"OMNI","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_dodge_omni"]},{"make":"DODGE","model":"SHADOW","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_dodge_shadow"]},{"make":"PLYMOUTH","model":"HORIZON","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_plymouth_horizon"]},{"make":"PLYMOUTH","model":"RELIANT","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_plymouth_reliant"]},{"make":"PLYMOUTH","model":"SUNDANCE","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_plymouth_sundance"]}],"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":[]}