Quote:
Originally Posted by ZL1-V
That's a heart breaker for sure. The change in the ECU is the number one reason GM will deny warranty work. I understand why they do it also. I was told that right away when I arrived for service. I advised the service writer that the ECU was not flashed. The wait for me is the warranty to expire before modding my ECU.
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That's a long wait. 10 years or 100,000 miles!