I want to clarify: If the Gryphon speed is correct, then your dash odometer will also be correct.
The reason for the dash speedo error is that there are issues translating a digital signal from the PCM (a true value) into a mechanical display on the gauge. The odometer has no mechanical parts, so it is not effected. The Gryphon speed is likewise simply a display of what the PCM is sending, with no "translation error".
- Jack
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