Quote:
Originally Posted by xstuntman
45 might know if the ECM can be flashed.
Otherwise it sounds like an new one.
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P0601 is a internal fault in the ECM. It will need to be replaced and a trip to his tuner to program it. Low cranking voltage can falsely set this code, but it sounds like he has already addressed that. Answering your question directly, all ecm's can be flashed, but this code refers to a hardware problem not software.