Shmike Posted September 29, 2010 Share Posted September 29, 2010 P0601 Internal Control Module Memory Checksum Error. Does anyone have any experience with this one? If so i'm sorry you did and what did you do to fix it. I believe I'm up the creek with this one, a new ecu from Subaru of canada is looking like 1600 bucks and it still needs to be flashed after that. 05 LGT Wagon STI powered Link to comment Share on other sites More sharing options...
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