{"nhtsa_id":10080261,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-09-16","date":"2013-01-01","document_id":"WQD-40","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:CYBERSECURITY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"SUBARU OF AMERICA, INC. HAS DETERMINED VEHICLES AFFECTED BY THIS SERVICE PROGRAM REQUIRE FRONT CATALYTIC CONVERTER REPLACEMENT AND ECM REPROGRAMMING. FOR VEHICLES AFFECTED BY THIS SERVICE PROGRAM, EFFICIENCY OF THE FRONT CATALYTIC CONVERTER MAY DEGRADE OVER TIME. IF THE CATALYTIC CONVERTER EFFICIENCY DEGRADES BEYOND AN ACCEPTABLE LEVEL, THE VEHICLE MAY BE RELEASING AIR POLLUTANTS WHICH EXCEED CALIFORNIA STANDARDS. TO CORRECT THIS CONDITION, IT WILL BE NECESSARY TO REPLACE THE FRONT CATALYTIC CONVERTER AND REPROGRAM THE ECM SOFTWARE LOGIC, IMPROVING MANAGEMENT OF THE CATALYTIC CONVERTER. THIS SOFTWARE CHANGE WILL NOT ADVERSELY AFFECT FUEL ECONOMY OR PERFORMANCE OF THE VEHICLE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10080261","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"SUBARU","model":"FORESTER","year_from":2008,"year_to":2009,"match":"exact","vehicle_ids":["2008_subaru_forester","2009_subaru_forester"]},{"make":"SUBARU","model":"LEGACY","year_from":2008,"year_to":2009,"match":"exact","vehicle_ids":["2008_subaru_legacy","2009_subaru_legacy"]},{"make":"SUBARU","model":"OUTBACK","year_from":2008,"year_to":2009,"match":"exact","vehicle_ids":["2008_subaru_outback","2009_subaru_outback"]}],"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":[]}