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Aev Procal Module

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On a JK, you really need to properly adjust the drag link to center the steering wheel or the ESP will freak out like a stripper with daddy issues. The AEV ProCal module allows access to the steering wheel dead-center position in addition to correcting the speedo for gearing or tire changes, clearing diagnostic codes, adjusting idle or tire low pressure sensor threshold, pedal calibration tolerances, and more.

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