Make sure you get yourself a good code reader. Mine was doing EXACTLY that and it all pointed back to an overheating CEM. A $20 heatsink mod is all it takes to fix which I'll post a how-to later when I get a chance. Dealer/Indy thought it was a DIM...but the engine codes cept saying CEM fault.
And if you search CEM fault and the code, it points to an overheating CEM.
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