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Acura RLX P0605: Meaning, Causes, + Fix

Drivetrain Resource

P0605 is a relatively rare OBD-II trouble code that can occur in the Acura RLX. 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 …

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