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ZF Transmission swaps

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Make sure these two numbers are equal. ZF03987 and auF1692. This refers to the "TCM calibration level.

If not the TCM will go into limp mode. If they don’t match you can sometimes change the PCM scalar and it will work. You cannot change the ZF scalar though.

This is not a full proof guide eg If the operating system ID is wrong, eg you have put a BF trans in an FG, you may not be able to get a matching calibration and you may have to resort to switching the mechatronics.

Under calibration tools -> show calibration list you can view all the TCM calibrations and their appropriate TCM Calibration level. You can search/filter this list to assist in finding a matching ZF calibration.

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