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Home >> Jeep >> 2015 >> Cherokee Trailhawk, 3.2L Eng VIN S >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Transmission Control Module (TCM) - DTCS P0219-00 To P176D-00 >> DTC Troubleshooting >> 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 Transmission Control Module (TCM) software, calibration, and hardware do not correlate.

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