Quote:
Originally Posted by arpad_m
The reasonably expected calibration write count for the ECM flash storage is less than 10 for the lifetime of the vehicle. If you get your car tuned, then maybe 50 total, again, throughout the car's entire lifetime. Knowing that and how GM likes to pinch their pennies, I'd be surprised if these chips were able to withstand 1-2 tune writes per day for long.
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Ha I've flashed some cars that are test mules many hundreds of times without an issue. Maybe if you get into the 10s of thousands range, but I don't see anything happening otherwise. It also helps that you are flashing the calibration changes instead of a write entire.