DTC P0605: ECM: Procedure
Turn ignition on. Clear ECM memory. Perform DTC CONFIRMATION TEST . If DTC P0605 is still present in ECM memory, replace ECM. If DTC P0605 is not present in ECM memory, fault is intermittent and cannot be duplicated at this time. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article.