Opel Adam P0605: Meaning, Causes, + Fix
P0605 is a relatively rare OBD-II trouble code that can occur in the Opel Adam. It indicates that PCM (powertrain control module) is not passing its ROM (read-only memory) self-test when you turn the ignition on. While P0605 is a generic code (it has the same meaning for any car or truck), it is most … Read more