SUBARU SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE CONTROL MODULE (ECM) REPROGRAMMING. A MODIFICATION TO THE ENGINE CONTROL MODULE (ECM) SOFTWARE LOGIC HAS BEEN DEVELOPED TO IMPROVE THE PERFORMANCE OF THE EMISSION CONTROL SYSTEM. THIS SOFTWARE CHANGE WILL NOT ADVERSELY AFFECT FUEL ECONOMY OR PERFORMANCE. CSC LETTER WAS REC'D. *PE
