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Home >> Jeep >> 2014 >> Cherokee Sport, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Transmission Control Module (TCM) - DTCS P0219-00 To P176D-00 >> Diagnosis And Testing >> P064F-00-Unauthorized Software-Calibration Detected >> Theory Of Operation
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Theory Of Operation

The purpose of the diagnostic is to detect if the internal part numbers of the TCM software, calibration, and hardware do not correlate.

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