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Tuner in Training
TIre height calibration on XD Diesel
Ok guys, so I know that the XD diesels are not supported for tuning (which I would hope that it would eventually happen, because the available platforms are a PITA), but what about speedo calibrations? How does the Nissan system speedo work? Is is like the Dodge system where the calibration is done through the cluster in the scanner, or is it like GM and Ford where it is in the ECM? Has anybody tried to do a speedo cal on a diesel?
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Potential Tuner
Nissan's ECU and Speedometer operate independently of one another. Not sure why, but the just do. I purchased the Hypertech In-Line Speedometer Calibration tool and had my oversized tires calibrated with that.