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Re: Got P0601 Internal Control Module Memory Checksum Error replace PCM or RE-Programm?
Based on what I've read you'll have to flip a coin. Experienced techs say it's an "automatic PCM change", "reflash the PCM sometimes works", or "chase wiring that can cause it". These are 30+ year techs. http://www.obd-codes.com/p0601
Should have added the consensous leans towards "automatic PCM change".
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Last edited by RIP; 10-01-2010 at 08:18 PM.
Reason: Forgot additional info
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